Home / 51,787.16-71,460.46-29,125.66

Finding the Fourth Proportional to 51,787.16, 71,460.46 and 29,125.66

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Solution

The fourth proportional to 51,787.16, 71,460.46 and 29,125.66 is: 40,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,787.16 : 71,460.46 = 29,125.66 : x
  2. Step 2: Convert to fraction form
    51,787.16/71,460.46 = 29,125.66/x
  3. Step 3: Cross multiply
    51,787.16x = 71,460.46 × 29,125.66
  4. Step 4: Simplify right side
    51,787.16x = 2,081,333,061.40
  5. Step 5: Solve for x
    x = 2,081,333,061.40/51,787.16
  6. Step 6: Final answer
    x = 40,190.14

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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.