Home / 40,167.90-55,430.28-22,264.57

Finding the Fourth Proportional to 40,167.90, 55,430.28 and 22,264.57

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Solution

The fourth proportional to 40,167.90, 55,430.28 and 22,264.57 is: 30,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.90 : 55,430.28 = 22,264.57 : x
  2. Step 2: Convert to fraction form
    40,167.90/55,430.28 = 22,264.57/x
  3. Step 3: Cross multiply
    40,167.90x = 55,430.28 × 22,264.57
  4. Step 4: Simplify right side
    40,167.90x = 1,234,131,349.18
  5. Step 5: Solve for x
    x = 1,234,131,349.18/40,167.90
  6. Step 6: Final answer
    x = 30,724.32

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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.