Home / 67,724.81-93,460.94-40,862.13

Finding the Fourth Proportional to 67,724.81, 93,460.94 and 40,862.13

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Solution

The fourth proportional to 67,724.81, 93,460.94 and 40,862.13 is: 56,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,724.81 : 93,460.94 = 40,862.13 : x
  2. Step 2: Convert to fraction form
    67,724.81/93,460.94 = 40,862.13/x
  3. Step 3: Cross multiply
    67,724.81x = 93,460.94 × 40,862.13
  4. Step 4: Simplify right side
    67,724.81x = 3,819,013,080.20
  5. Step 5: Solve for x
    x = 3,819,013,080.20/67,724.81
  6. Step 6: Final answer
    x = 56,390.16

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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.