Home / 40,320.49-55,639.13-22,414.41

Finding the Fourth Proportional to 40,320.49, 55,639.13 and 22,414.41

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Solution

The fourth proportional to 40,320.49, 55,639.13 and 22,414.41 is: 30,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.49 : 55,639.13 = 22,414.41 : x
  2. Step 2: Convert to fraction form
    40,320.49/55,639.13 = 22,414.41/x
  3. Step 3: Cross multiply
    40,320.49x = 55,639.13 × 22,414.41
  4. Step 4: Simplify right side
    40,320.49x = 1,247,118,108.13
  5. Step 5: Solve for x
    x = 1,247,118,108.13/40,320.49
  6. Step 6: Final answer
    x = 30,930.13

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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.