Home / 51,603.90-71,214.12-38,660.24

Finding the Fourth Proportional to 51,603.90, 71,214.12 and 38,660.24

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Solution

The fourth proportional to 51,603.90, 71,214.12 and 38,660.24 is: 53,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.90 : 71,214.12 = 38,660.24 : x
  2. Step 2: Convert to fraction form
    51,603.90/71,214.12 = 38,660.24/x
  3. Step 3: Cross multiply
    51,603.90x = 71,214.12 × 38,660.24
  4. Step 4: Simplify right side
    51,603.90x = 2,753,154,970.59
  5. Step 5: Solve for x
    x = 2,753,154,970.59/51,603.90
  6. Step 6: Final answer
    x = 53,351.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.