Home / 45,172.48-62,198.88-40,127.92

Finding the Fourth Proportional to 45,172.48, 62,198.88 and 40,127.92

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Solution

The fourth proportional to 45,172.48, 62,198.88 and 40,127.92 is: 55,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.48 : 62,198.88 = 40,127.92 : x
  2. Step 2: Convert to fraction form
    45,172.48/62,198.88 = 40,127.92/x
  3. Step 3: Cross multiply
    45,172.48x = 62,198.88 × 40,127.92
  4. Step 4: Simplify right side
    45,172.48x = 2,495,911,680.73
  5. Step 5: Solve for x
    x = 2,495,911,680.73/45,172.48
  6. Step 6: Final answer
    x = 55,252.93

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1.5x scale

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.