Home / 57,638.40-79,545.60-32,490.24

Finding the Fourth Proportional to 57,638.40, 79,545.60 and 32,490.24

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Solution

The fourth proportional to 57,638.40, 79,545.60 and 32,490.24 is: 44,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.40 : 79,545.60 = 32,490.24 : x
  2. Step 2: Convert to fraction form
    57,638.40/79,545.60 = 32,490.24/x
  3. Step 3: Cross multiply
    57,638.40x = 79,545.60 × 32,490.24
  4. Step 4: Simplify right side
    57,638.40x = 2,584,455,634.94
  5. Step 5: Solve for x
    x = 2,584,455,634.94/57,638.40
  6. Step 6: Final answer
    x = 44,839.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.