Home / 52,561.65-78,948.59-31,541.61

Finding the Fourth Proportional to 52,561.65, 78,948.59 and 31,541.61

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Solution

The fourth proportional to 52,561.65, 78,948.59 and 31,541.61 is: 47,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,561.65 : 78,948.59 = 31,541.61 : x
  2. Step 2: Convert to fraction form
    52,561.65/78,948.59 = 31,541.61/x
  3. Step 3: Cross multiply
    52,561.65x = 78,948.59 × 31,541.61
  4. Step 4: Simplify right side
    52,561.65x = 2,490,165,635.83
  5. Step 5: Solve for x
    x = 2,490,165,635.83/52,561.65
  6. Step 6: Final answer
    x = 47,376.09

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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.