Home / 42,112.60-58,112.92-22,988.60

Finding the Fourth Proportional to 42,112.60, 58,112.92 and 22,988.60

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Solution

The fourth proportional to 42,112.60, 58,112.92 and 22,988.60 is: 31,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,112.60 : 58,112.92 = 22,988.60 : x
  2. Step 2: Convert to fraction form
    42,112.60/58,112.92 = 22,988.60/x
  3. Step 3: Cross multiply
    42,112.60x = 58,112.92 × 22,988.60
  4. Step 4: Simplify right side
    42,112.60x = 1,335,934,672.71
  5. Step 5: Solve for x
    x = 1,335,934,672.71/42,112.60
  6. Step 6: Final answer
    x = 31,722.92

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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.