Home / 42,159.20-58,070.58-29,389.54

Finding the Fourth Proportional to 42,159.20, 58,070.58 and 29,389.54

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Solution

The fourth proportional to 42,159.20, 58,070.58 and 29,389.54 is: 40,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159.20 : 58,070.58 = 29,389.54 : x
  2. Step 2: Convert to fraction form
    42,159.20/58,070.58 = 29,389.54/x
  3. Step 3: Cross multiply
    42,159.20x = 58,070.58 × 29,389.54
  4. Step 4: Simplify right side
    42,159.20x = 1,706,667,633.73
  5. Step 5: Solve for x
    x = 1,706,667,633.73/42,159.20
  6. Step 6: Final answer
    x = 40,481.50

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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.