Home / 42,867.64-64,301.42-19,500.76

Finding the Fourth Proportional to 42,867.64, 64,301.42 and 19,500.76

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Solution

The fourth proportional to 42,867.64, 64,301.42 and 19,500.76 is: 29,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,867.64 : 64,301.42 = 19,500.76 : x
  2. Step 2: Convert to fraction form
    42,867.64/64,301.42 = 19,500.76/x
  3. Step 3: Cross multiply
    42,867.64x = 64,301.42 × 19,500.76
  4. Step 4: Simplify right side
    42,867.64x = 1,253,926,559.08
  5. Step 5: Solve for x
    x = 1,253,926,559.08/42,867.64
  6. Step 6: Final answer
    x = 29,251.12

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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.