Home / 39,520.38-58,998.86-38,136.09

Finding the Fourth Proportional to 39,520.38, 58,998.86 and 38,136.09

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Solution

The fourth proportional to 39,520.38, 58,998.86 and 38,136.09 is: 56,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520.38 : 58,998.86 = 38,136.09 : x
  2. Step 2: Convert to fraction form
    39,520.38/58,998.86 = 38,136.09/x
  3. Step 3: Cross multiply
    39,520.38x = 58,998.86 × 38,136.09
  4. Step 4: Simplify right side
    39,520.38x = 2,249,985,644.18
  5. Step 5: Solve for x
    x = 2,249,985,644.18/39,520.38
  6. Step 6: Final answer
    x = 56,932.29

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1.5x scale

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.