Home / 42,222.11-58,276.24-27,884.78

Finding the Fourth Proportional to 42,222.11, 58,276.24 and 27,884.78

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Solution

The fourth proportional to 42,222.11, 58,276.24 and 27,884.78 is: 38,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,222.11 : 58,276.24 = 27,884.78 : x
  2. Step 2: Convert to fraction form
    42,222.11/58,276.24 = 27,884.78/x
  3. Step 3: Cross multiply
    42,222.11x = 58,276.24 × 27,884.78
  4. Step 4: Simplify right side
    42,222.11x = 1,625,020,131.63
  5. Step 5: Solve for x
    x = 1,625,020,131.63/42,222.11
  6. Step 6: Final answer
    x = 38,487.43

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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.