Home / 29,158.12-43,665.90-13,580.20

Finding the Fourth Proportional to 29,158.12, 43,665.90 and 13,580.20

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Solution

The fourth proportional to 29,158.12, 43,665.90 and 13,580.20 is: 20,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,158.12 : 43,665.90 = 13,580.20 : x
  2. Step 2: Convert to fraction form
    29,158.12/43,665.90 = 13,580.20/x
  3. Step 3: Cross multiply
    29,158.12x = 43,665.90 × 13,580.20
  4. Step 4: Simplify right side
    29,158.12x = 592,991,655.18
  5. Step 5: Solve for x
    x = 592,991,655.18/29,158.12
  6. Step 6: Final answer
    x = 20,337.10

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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.