Home / 40,031.33-55,239.52-22,125.95

Finding the Fourth Proportional to 40,031.33, 55,239.52 and 22,125.95

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Solution

The fourth proportional to 40,031.33, 55,239.52 and 22,125.95 is: 30,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.33 : 55,239.52 = 22,125.95 : x
  2. Step 2: Convert to fraction form
    40,031.33/55,239.52 = 22,125.95/x
  3. Step 3: Cross multiply
    40,031.33x = 55,239.52 × 22,125.95
  4. Step 4: Simplify right side
    40,031.33x = 1,222,226,696.99
  5. Step 5: Solve for x
    x = 1,222,226,696.99/40,031.33
  6. Step 6: Final answer
    x = 30,531.76

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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.