Home / 60,139.04-90,221.88-18,017.42

Finding the Fourth Proportional to 60,139.04, 90,221.88 and 18,017.42

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Solution

The fourth proportional to 60,139.04, 90,221.88 and 18,017.42 is: 27,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,139.04 : 90,221.88 = 18,017.42 : x
  2. Step 2: Convert to fraction form
    60,139.04/90,221.88 = 18,017.42/x
  3. Step 3: Cross multiply
    60,139.04x = 90,221.88 × 18,017.42
  4. Step 4: Simplify right side
    60,139.04x = 1,625,565,505.15
  5. Step 5: Solve for x
    x = 1,625,565,505.15/60,139.04
  6. Step 6: Final answer
    x = 27,030.12

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1.5x scale

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.