Home / 31,505.08-47,266.38-13,737.30

Finding the Fourth Proportional to 31,505.08, 47,266.38 and 13,737.30

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Solution

The fourth proportional to 31,505.08, 47,266.38 and 13,737.30 is: 20,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.08 : 47,266.38 = 13,737.30 : x
  2. Step 2: Convert to fraction form
    31,505.08/47,266.38 = 13,737.30/x
  3. Step 3: Cross multiply
    31,505.08x = 47,266.38 × 13,737.30
  4. Step 4: Simplify right side
    31,505.08x = 649,312,441.97
  5. Step 5: Solve for x
    x = 649,312,441.97/31,505.08
  6. Step 6: Final answer
    x = 20,609.77

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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.