Home / 30,432.13-45,648.18-11,460.34

Finding the Fourth Proportional to 30,432.13, 45,648.18 and 11,460.34

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Solution

The fourth proportional to 30,432.13, 45,648.18 and 11,460.34 is: 17,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.13 : 45,648.18 = 11,460.34 : x
  2. Step 2: Convert to fraction form
    30,432.13/45,648.18 = 11,460.34/x
  3. Step 3: Cross multiply
    30,432.13x = 45,648.18 × 11,460.34
  4. Step 4: Simplify right side
    30,432.13x = 523,143,663.18
  5. Step 5: Solve for x
    x = 523,143,663.18/30,432.13
  6. Step 6: Final answer
    x = 17,190.50

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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.