Home / 47,588.85-71,386.92-12,528

Finding the Fourth Proportional to 47,588.85, 71,386.92 and 12,528

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Solution

The fourth proportional to 47,588.85, 71,386.92 and 12,528 is: 18,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,588.85 : 71,386.92 = 12,528 : x
  2. Step 2: Convert to fraction form
    47,588.85/71,386.92 = 12,528/x
  3. Step 3: Cross multiply
    47,588.85x = 71,386.92 × 12,528
  4. Step 4: Simplify right side
    47,588.85x = 894,335,333.76
  5. Step 5: Solve for x
    x = 894,335,333.76/47,588.85
  6. Step 6: Final answer
    x = 18,792.96

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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.