Home / 29,155.85-43,729.08-10,432.40

Finding the Fourth Proportional to 29,155.85, 43,729.08 and 10,432.40

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Solution

The fourth proportional to 29,155.85, 43,729.08 and 10,432.40 is: 15,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.85 : 43,729.08 = 10,432.40 : x
  2. Step 2: Convert to fraction form
    29,155.85/43,729.08 = 10,432.40/x
  3. Step 3: Cross multiply
    29,155.85x = 43,729.08 × 10,432.40
  4. Step 4: Simplify right side
    29,155.85x = 456,199,035.55
  5. Step 5: Solve for x
    x = 456,199,035.55/29,155.85
  6. Step 6: Final answer
    x = 15,646.92

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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.