Home / 42,689.26-64,050.51-17,722.97

Finding the Fourth Proportional to 42,689.26, 64,050.51 and 17,722.97

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Solution

The fourth proportional to 42,689.26, 64,050.51 and 17,722.97 is: 26,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,689.26 : 64,050.51 = 17,722.97 : x
  2. Step 2: Convert to fraction form
    42,689.26/64,050.51 = 17,722.97/x
  3. Step 3: Cross multiply
    42,689.26x = 64,050.51 × 17,722.97
  4. Step 4: Simplify right side
    42,689.26x = 1,135,165,253.61
  5. Step 5: Solve for x
    x = 1,135,165,253.61/42,689.26
  6. Step 6: Final answer
    x = 26,591.35

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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.