Home / 67,921.58-93,732.11-42,442.74

Finding the Fourth Proportional to 67,921.58, 93,732.11 and 42,442.74

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Solution

The fourth proportional to 67,921.58, 93,732.11 and 42,442.74 is: 58,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,921.58 : 93,732.11 = 42,442.74 : x
  2. Step 2: Convert to fraction form
    67,921.58/93,732.11 = 42,442.74/x
  3. Step 3: Cross multiply
    67,921.58x = 93,732.11 × 42,442.74
  4. Step 4: Simplify right side
    67,921.58x = 3,978,247,574.38
  5. Step 5: Solve for x
    x = 3,978,247,574.38/67,921.58
  6. Step 6: Final answer
    x = 58,571.19

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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.