Home / 39,520.76-58,999.41-38,136.47

Finding the Fourth Proportional to 39,520.76, 58,999.41 and 38,136.47

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Solution

The fourth proportional to 39,520.76, 58,999.41 and 38,136.47 is: 56,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520.76 : 58,999.41 = 38,136.47 : x
  2. Step 2: Convert to fraction form
    39,520.76/58,999.41 = 38,136.47/x
  3. Step 3: Cross multiply
    39,520.76x = 58,999.41 × 38,136.47
  4. Step 4: Simplify right side
    39,520.76x = 2,250,028,934.49
  5. Step 5: Solve for x
    x = 2,250,028,934.49/39,520.76
  6. Step 6: Final answer
    x = 56,932.84

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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.