Home / 57,979.98-86,893.92-42,023.07

Finding the Fourth Proportional to 57,979.98, 86,893.92 and 42,023.07

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Solution

The fourth proportional to 57,979.98, 86,893.92 and 42,023.07 is: 62,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979.98 : 86,893.92 = 42,023.07 : x
  2. Step 2: Convert to fraction form
    57,979.98/86,893.92 = 42,023.07/x
  3. Step 3: Cross multiply
    57,979.98x = 86,893.92 × 42,023.07
  4. Step 4: Simplify right side
    57,979.98x = 3,651,549,282.73
  5. Step 5: Solve for x
    x = 3,651,549,282.73/57,979.98
  6. Step 6: Final answer
    x = 62,979.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.