Home / 62,764.59-94,136.51-20,645.19

Finding the Fourth Proportional to 62,764.59, 94,136.51 and 20,645.19

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Solution

The fourth proportional to 62,764.59, 94,136.51 and 20,645.19 is: 30,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,764.59 : 94,136.51 = 20,645.19 : x
  2. Step 2: Convert to fraction form
    62,764.59/94,136.51 = 20,645.19/x
  3. Step 3: Cross multiply
    62,764.59x = 94,136.51 × 20,645.19
  4. Step 4: Simplify right side
    62,764.59x = 1,943,466,573.18
  5. Step 5: Solve for x
    x = 1,943,466,573.18/62,764.59
  6. Step 6: Final answer
    x = 30,964.38

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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.