Home / 53,450.71-80,257.01-42,446.61

Finding the Fourth Proportional to 53,450.71, 80,257.01 and 42,446.61

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Solution

The fourth proportional to 53,450.71, 80,257.01 and 42,446.61 is: 63,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.71 : 80,257.01 = 42,446.61 : x
  2. Step 2: Convert to fraction form
    53,450.71/80,257.01 = 42,446.61/x
  3. Step 3: Cross multiply
    53,450.71x = 80,257.01 × 42,446.61
  4. Step 4: Simplify right side
    53,450.71x = 3,406,637,791.00
  5. Step 5: Solve for x
    x = 3,406,637,791.00/53,450.71
  6. Step 6: Final answer
    x = 63,734.19

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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.