Home / 52,560.65-78,947.09-31,540.61

Finding the Fourth Proportional to 52,560.65, 78,947.09 and 31,540.61

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Solution

The fourth proportional to 52,560.65, 78,947.09 and 31,540.61 is: 47,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,560.65 : 78,947.09 = 31,540.61 : x
  2. Step 2: Convert to fraction form
    52,560.65/78,947.09 = 31,540.61/x
  3. Step 3: Cross multiply
    52,560.65x = 78,947.09 × 31,540.61
  4. Step 4: Simplify right side
    52,560.65x = 2,490,038,823.89
  5. Step 5: Solve for x
    x = 2,490,038,823.89/52,560.65
  6. Step 6: Final answer
    x = 47,374.59

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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.