Home / 38,122.55-52,607.97-21,355.55

Finding the Fourth Proportional to 38,122.55, 52,607.97 and 21,355.55

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Solution

The fourth proportional to 38,122.55, 52,607.97 and 21,355.55 is: 29,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122.55 : 52,607.97 = 21,355.55 : x
  2. Step 2: Convert to fraction form
    38,122.55/52,607.97 = 21,355.55/x
  3. Step 3: Cross multiply
    38,122.55x = 52,607.97 × 21,355.55
  4. Step 4: Simplify right side
    38,122.55x = 1,123,471,870.69
  5. Step 5: Solve for x
    x = 1,123,471,870.69/38,122.55
  6. Step 6: Final answer
    x = 29,470.01

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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.