Home / 45,125.31-67,696.35-15,136.68

Finding the Fourth Proportional to 45,125.31, 67,696.35 and 15,136.68

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Solution

The fourth proportional to 45,125.31, 67,696.35 and 15,136.68 is: 22,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,125.31 : 67,696.35 = 15,136.68 : x
  2. Step 2: Convert to fraction form
    45,125.31/67,696.35 = 15,136.68/x
  3. Step 3: Cross multiply
    45,125.31x = 67,696.35 × 15,136.68
  4. Step 4: Simplify right side
    45,125.31x = 1,024,697,987.12
  5. Step 5: Solve for x
    x = 1,024,697,987.12/45,125.31
  6. Step 6: Final answer
    x = 22,707.83

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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.