Home / 42,937.80-64,421.28-38,797.08

Finding the Fourth Proportional to 42,937.80, 64,421.28 and 38,797.08

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Solution

The fourth proportional to 42,937.80, 64,421.28 and 38,797.08 is: 58,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,937.80 : 64,421.28 = 38,797.08 : x
  2. Step 2: Convert to fraction form
    42,937.80/64,421.28 = 38,797.08/x
  3. Step 3: Cross multiply
    42,937.80x = 64,421.28 × 38,797.08
  4. Step 4: Simplify right side
    42,937.80x = 2,499,357,553.86
  5. Step 5: Solve for x
    x = 2,499,357,553.86/42,937.80
  6. Step 6: Final answer
    x = 58,208.79

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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.