Home / 38,663.10-57,966.27-12,352.68

Finding the Fourth Proportional to 38,663.10, 57,966.27 and 12,352.68

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Solution

The fourth proportional to 38,663.10, 57,966.27 and 12,352.68 is: 18,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,663.10 : 57,966.27 = 12,352.68 : x
  2. Step 2: Convert to fraction form
    38,663.10/57,966.27 = 12,352.68/x
  3. Step 3: Cross multiply
    38,663.10x = 57,966.27 × 12,352.68
  4. Step 4: Simplify right side
    38,663.10x = 716,038,784.10
  5. Step 5: Solve for x
    x = 716,038,784.10/38,663.10
  6. Step 6: Final answer
    x = 18,519.95

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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.