Home / 40,087.11-60,130.04-13,792.08

Finding the Fourth Proportional to 40,087.11, 60,130.04 and 13,792.08

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Solution

The fourth proportional to 40,087.11, 60,130.04 and 13,792.08 is: 20,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,087.11 : 60,130.04 = 13,792.08 : x
  2. Step 2: Convert to fraction form
    40,087.11/60,130.04 = 13,792.08/x
  3. Step 3: Cross multiply
    40,087.11x = 60,130.04 × 13,792.08
  4. Step 4: Simplify right side
    40,087.11x = 829,318,253.12
  5. Step 5: Solve for x
    x = 829,318,253.12/40,087.11
  6. Step 6: Final answer
    x = 20,687.90

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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.