Home / 42,254.62-58,301.52-28,853.78

Finding the Fourth Proportional to 42,254.62, 58,301.52 and 28,853.78

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Solution

The fourth proportional to 42,254.62, 58,301.52 and 28,853.78 is: 39,811.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,254.62 : 58,301.52 = 28,853.78 : x
  2. Step 2: Convert to fraction form
    42,254.62/58,301.52 = 28,853.78/x
  3. Step 3: Cross multiply
    42,254.62x = 58,301.52 × 28,853.78
  4. Step 4: Simplify right side
    42,254.62x = 1,682,219,231.75
  5. Step 5: Solve for x
    x = 1,682,219,231.75/42,254.62
  6. Step 6: Final answer
    x = 39,811.49

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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.