Home / 30,324.30-45,486.45-15,528.30

Finding the Fourth Proportional to 30,324.30, 45,486.45 and 15,528.30

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Solution

The fourth proportional to 30,324.30, 45,486.45 and 15,528.30 is: 23,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,324.30 : 45,486.45 = 15,528.30 : x
  2. Step 2: Convert to fraction form
    30,324.30/45,486.45 = 15,528.30/x
  3. Step 3: Cross multiply
    30,324.30x = 45,486.45 × 15,528.30
  4. Step 4: Simplify right side
    30,324.30x = 706,327,241.54
  5. Step 5: Solve for x
    x = 706,327,241.54/30,324.30
  6. Step 6: Final answer
    x = 23,292.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.