Home / 40,159.71-55,419.75-22,254.66

Finding the Fourth Proportional to 40,159.71, 55,419.75 and 22,254.66

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Solution

The fourth proportional to 40,159.71, 55,419.75 and 22,254.66 is: 30,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.71 : 55,419.75 = 22,254.66 : x
  2. Step 2: Convert to fraction form
    40,159.71/55,419.75 = 22,254.66/x
  3. Step 3: Cross multiply
    40,159.71x = 55,419.75 × 22,254.66
  4. Step 4: Simplify right side
    40,159.71x = 1,233,347,693.54
  5. Step 5: Solve for x
    x = 1,233,347,693.54/40,159.71
  6. Step 6: Final answer
    x = 30,711.07

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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.