Home / 42,593.88-63,886.37-18,901.83

Finding the Fourth Proportional to 42,593.88, 63,886.37 and 18,901.83

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Solution

The fourth proportional to 42,593.88, 63,886.37 and 18,901.83 is: 28,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,593.88 : 63,886.37 = 18,901.83 : x
  2. Step 2: Convert to fraction form
    42,593.88/63,886.37 = 18,901.83/x
  3. Step 3: Cross multiply
    42,593.88x = 63,886.37 × 18,901.83
  4. Step 4: Simplify right side
    42,593.88x = 1,207,569,376.76
  5. Step 5: Solve for x
    x = 1,207,569,376.76/42,593.88
  6. Step 6: Final answer
    x = 28,350.78

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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.