Home / 60,390.12-83,287.20-38,883.60

Finding the Fourth Proportional to 60,390.12, 83,287.20 and 38,883.60

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Solution

The fourth proportional to 60,390.12, 83,287.20 and 38,883.60 is: 53,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,390.12 : 83,287.20 = 38,883.60 : x
  2. Step 2: Convert to fraction form
    60,390.12/83,287.20 = 38,883.60/x
  3. Step 3: Cross multiply
    60,390.12x = 83,287.20 × 38,883.60
  4. Step 4: Simplify right side
    60,390.12x = 3,238,506,169.92
  5. Step 5: Solve for x
    x = 3,238,506,169.92/60,390.12
  6. Step 6: Final answer
    x = 53,626.42

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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.