Home / 42,318.28-58,368.90-27,961.48

Finding the Fourth Proportional to 42,318.28, 58,368.90 and 27,961.48

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Solution

The fourth proportional to 42,318.28, 58,368.90 and 27,961.48 is: 38,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,318.28 : 58,368.90 = 27,961.48 : x
  2. Step 2: Convert to fraction form
    42,318.28/58,368.90 = 27,961.48/x
  3. Step 3: Cross multiply
    42,318.28x = 58,368.90 × 27,961.48
  4. Step 4: Simplify right side
    42,318.28x = 1,632,080,829.97
  5. Step 5: Solve for x
    x = 1,632,080,829.97/42,318.28
  6. Step 6: Final answer
    x = 38,566.80

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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.