Home / 67,724.12-93,459.97-40,861.43

Finding the Fourth Proportional to 67,724.12, 93,459.97 and 40,861.43

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Solution

The fourth proportional to 67,724.12, 93,459.97 and 40,861.43 is: 56,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,724.12 : 93,459.97 = 40,861.43 : x
  2. Step 2: Convert to fraction form
    67,724.12/93,459.97 = 40,861.43/x
  3. Step 3: Cross multiply
    67,724.12x = 93,459.97 × 40,861.43
  4. Step 4: Simplify right side
    67,724.12x = 3,818,908,021.96
  5. Step 5: Solve for x
    x = 3,818,908,021.96/67,724.12
  6. Step 6: Final answer
    x = 56,389.19

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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.