Home / 47,561.28-71,349.12-16,389.12

Finding the Fourth Proportional to 47,561.28, 71,349.12 and 16,389.12

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Solution

The fourth proportional to 47,561.28, 71,349.12 and 16,389.12 is: 24,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,561.28 : 71,349.12 = 16,389.12 : x
  2. Step 2: Convert to fraction form
    47,561.28/71,349.12 = 16,389.12/x
  3. Step 3: Cross multiply
    47,561.28x = 71,349.12 × 16,389.12
  4. Step 4: Simplify right side
    47,561.28x = 1,169,349,289.57
  5. Step 5: Solve for x
    x = 1,169,349,289.57/47,561.28
  6. Step 6: Final answer
    x = 24,586.16

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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.