Home / 60,135.04-90,215.88-18,013.42

Finding the Fourth Proportional to 60,135.04, 90,215.88 and 18,013.42

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Solution

The fourth proportional to 60,135.04, 90,215.88 and 18,013.42 is: 27,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,135.04 : 90,215.88 = 18,013.42 : x
  2. Step 2: Convert to fraction form
    60,135.04/90,215.88 = 18,013.42/x
  3. Step 3: Cross multiply
    60,135.04x = 90,215.88 × 18,013.42
  4. Step 4: Simplify right side
    60,135.04x = 1,625,096,537.11
  5. Step 5: Solve for x
    x = 1,625,096,537.11/60,135.04
  6. Step 6: Final answer
    x = 27,024.12

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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.