Home / 30,259.70-45,389.55-9,483.20

Finding the Fourth Proportional to 30,259.70, 45,389.55 and 9,483.20

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Solution

The fourth proportional to 30,259.70, 45,389.55 and 9,483.20 is: 14,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.70 : 45,389.55 = 9,483.20 : x
  2. Step 2: Convert to fraction form
    30,259.70/45,389.55 = 9,483.20/x
  3. Step 3: Cross multiply
    30,259.70x = 45,389.55 × 9,483.20
  4. Step 4: Simplify right side
    30,259.70x = 430,437,906.20
  5. Step 5: Solve for x
    x = 430,437,906.20/30,259.70
  6. Step 6: Final answer
    x = 14,224.79

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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.