Home / 38,921.18-53,713.96-22,154.18

Finding the Fourth Proportional to 38,921.18, 53,713.96 and 22,154.18

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Solution

The fourth proportional to 38,921.18, 53,713.96 and 22,154.18 is: 30,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.18 : 53,713.96 = 22,154.18 : x
  2. Step 2: Convert to fraction form
    38,921.18/53,713.96 = 22,154.18/x
  3. Step 3: Cross multiply
    38,921.18x = 53,713.96 × 22,154.18
  4. Step 4: Simplify right side
    38,921.18x = 1,189,988,738.35
  5. Step 5: Solve for x
    x = 1,189,988,738.35/38,921.18
  6. Step 6: Final answer
    x = 30,574.32

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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.