Home / 39,631.15-59,139.30-35,424.82

Finding the Fourth Proportional to 39,631.15, 59,139.30 and 35,424.82

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Solution

The fourth proportional to 39,631.15, 59,139.30 and 35,424.82 is: 52,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.15 : 59,139.30 = 35,424.82 : x
  2. Step 2: Convert to fraction form
    39,631.15/59,139.30 = 35,424.82/x
  3. Step 3: Cross multiply
    39,631.15x = 59,139.30 × 35,424.82
  4. Step 4: Simplify right side
    39,631.15x = 2,094,998,909.58
  5. Step 5: Solve for x
    x = 2,094,998,909.58/39,631.15
  6. Step 6: Final answer
    x = 52,862.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.