Home / 51,132.35-76,693.15-13,696.29

Finding the Fourth Proportional to 51,132.35, 76,693.15 and 13,696.29

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Solution

The fourth proportional to 51,132.35, 76,693.15 and 13,696.29 is: 20,543.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,132.35 : 76,693.15 = 13,696.29 : x
  2. Step 2: Convert to fraction form
    51,132.35/76,693.15 = 13,696.29/x
  3. Step 3: Cross multiply
    51,132.35x = 76,693.15 × 13,696.29
  4. Step 4: Simplify right side
    51,132.35x = 1,050,411,623.41
  5. Step 5: Solve for x
    x = 1,050,411,623.41/51,132.35
  6. Step 6: Final answer
    x = 20,543.00

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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.