Home / 52,377.40-72,262.14-31,156.12

Finding the Fourth Proportional to 52,377.40, 72,262.14 and 31,156.12

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Solution

The fourth proportional to 52,377.40, 72,262.14 and 31,156.12 is: 42,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,377.40 : 72,262.14 = 31,156.12 : x
  2. Step 2: Convert to fraction form
    52,377.40/72,262.14 = 31,156.12/x
  3. Step 3: Cross multiply
    52,377.40x = 72,262.14 × 31,156.12
  4. Step 4: Simplify right side
    52,377.40x = 2,251,407,905.30
  5. Step 5: Solve for x
    x = 2,251,407,905.30/52,377.40
  6. Step 6: Final answer
    x = 42,984.34

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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.