Home / 42,143.62-58,158.19-23,280.74

Finding the Fourth Proportional to 42,143.62, 58,158.19 and 23,280.74

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Solution

The fourth proportional to 42,143.62, 58,158.19 and 23,280.74 is: 32,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.62 : 58,158.19 = 23,280.74 : x
  2. Step 2: Convert to fraction form
    42,143.62/58,158.19 = 23,280.74/x
  3. Step 3: Cross multiply
    42,143.62x = 58,158.19 × 23,280.74
  4. Step 4: Simplify right side
    42,143.62x = 1,353,965,700.26
  5. Step 5: Solve for x
    x = 1,353,965,700.26/42,143.62
  6. Step 6: Final answer
    x = 32,127.42

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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.