Home / 40,159.91-55,420.82-22,255.22

Finding the Fourth Proportional to 40,159.91, 55,420.82 and 22,255.22

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Solution

The fourth proportional to 40,159.91, 55,420.82 and 22,255.22 is: 30,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.91 : 55,420.82 = 22,255.22 : x
  2. Step 2: Convert to fraction form
    40,159.91/55,420.82 = 22,255.22/x
  3. Step 3: Cross multiply
    40,159.91x = 55,420.82 × 22,255.22
  4. Step 4: Simplify right side
    40,159.91x = 1,233,402,652.41
  5. Step 5: Solve for x
    x = 1,233,402,652.41/40,159.91
  6. Step 6: Final answer
    x = 30,712.28

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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.