Home / 40,031.49-55,246.32-22,126.11

Finding the Fourth Proportional to 40,031.49, 55,246.32 and 22,126.11

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Solution

The fourth proportional to 40,031.49, 55,246.32 and 22,126.11 is: 30,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.49 : 55,246.32 = 22,126.11 : x
  2. Step 2: Convert to fraction form
    40,031.49/55,246.32 = 22,126.11/x
  3. Step 3: Cross multiply
    40,031.49x = 55,246.32 × 22,126.11
  4. Step 4: Simplify right side
    40,031.49x = 1,222,386,098.10
  5. Step 5: Solve for x
    x = 1,222,386,098.10/40,031.49
  6. Step 6: Final answer
    x = 30,535.62

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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.