Home / 38,922.18-53,715.34-22,155.18

Finding the Fourth Proportional to 38,922.18, 53,715.34 and 22,155.18

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Solution

The fourth proportional to 38,922.18, 53,715.34 and 22,155.18 is: 30,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922.18 : 53,715.34 = 22,155.18 : x
  2. Step 2: Convert to fraction form
    38,922.18/53,715.34 = 22,155.18/x
  3. Step 3: Cross multiply
    38,922.18x = 53,715.34 × 22,155.18
  4. Step 4: Simplify right side
    38,922.18x = 1,190,073,026.46
  5. Step 5: Solve for x
    x = 1,190,073,026.46/38,922.18
  6. Step 6: Final answer
    x = 30,575.70

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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.