Home / 71,855.85-99,158.40-40,024.07

Finding the Fourth Proportional to 71,855.85, 99,158.40 and 40,024.07

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Solution

The fourth proportional to 71,855.85, 99,158.40 and 40,024.07 is: 55,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,855.85 : 99,158.40 = 40,024.07 : x
  2. Step 2: Convert to fraction form
    71,855.85/99,158.40 = 40,024.07/x
  3. Step 3: Cross multiply
    71,855.85x = 99,158.40 × 40,024.07
  4. Step 4: Simplify right side
    71,855.85x = 3,968,722,246.90
  5. Step 5: Solve for x
    x = 3,968,722,246.90/71,855.85
  6. Step 6: Final answer
    x = 55,231.72

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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.