Home / 42,281.12-58,345.68-23,159.90

Finding the Fourth Proportional to 42,281.12, 58,345.68 and 23,159.90

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Solution

The fourth proportional to 42,281.12, 58,345.68 and 23,159.90 is: 31,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,281.12 : 58,345.68 = 23,159.90 : x
  2. Step 2: Convert to fraction form
    42,281.12/58,345.68 = 23,159.90/x
  3. Step 3: Cross multiply
    42,281.12x = 58,345.68 × 23,159.90
  4. Step 4: Simplify right side
    42,281.12x = 1,351,280,260.10
  5. Step 5: Solve for x
    x = 1,351,280,260.10/42,281.12
  6. Step 6: Final answer
    x = 31,959.42

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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.