Home / 57,987.92-86,834.18-38,206.52

Finding the Fourth Proportional to 57,987.92, 86,834.18 and 38,206.52

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Solution

The fourth proportional to 57,987.92, 86,834.18 and 38,206.52 is: 57,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.92 : 86,834.18 = 38,206.52 : x
  2. Step 2: Convert to fraction form
    57,987.92/86,834.18 = 38,206.52/x
  3. Step 3: Cross multiply
    57,987.92x = 86,834.18 × 38,206.52
  4. Step 4: Simplify right side
    57,987.92x = 3,317,631,496.20
  5. Step 5: Solve for x
    x = 3,317,631,496.20/57,987.92
  6. Step 6: Final answer
    x = 57,212.46

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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.