Home / 42,903-64,279.44-29,763.72

Finding the Fourth Proportional to 42,903, 64,279.44 and 29,763.72

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Solution

The fourth proportional to 42,903, 64,279.44 and 29,763.72 is: 44,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,903 : 64,279.44 = 29,763.72 : x
  2. Step 2: Convert to fraction form
    42,903/64,279.44 = 29,763.72/x
  3. Step 3: Cross multiply
    42,903x = 64,279.44 × 29,763.72
  4. Step 4: Simplify right side
    42,903x = 1,913,195,253.92
  5. Step 5: Solve for x
    x = 1,913,195,253.92/42,903
  6. Step 6: Final answer
    x = 44,593.51

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1.5x scale

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.