Home / 38,117.25-52,601.81-21,350.25

Finding the Fourth Proportional to 38,117.25, 52,601.81 and 21,350.25

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Solution

The fourth proportional to 38,117.25, 52,601.81 and 21,350.25 is: 29,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,117.25 : 52,601.81 = 21,350.25 : x
  2. Step 2: Convert to fraction form
    38,117.25/52,601.81 = 21,350.25/x
  3. Step 3: Cross multiply
    38,117.25x = 52,601.81 × 21,350.25
  4. Step 4: Simplify right side
    38,117.25x = 1,123,061,687.20
  5. Step 5: Solve for x
    x = 1,123,061,687.20/38,117.25
  6. Step 6: Final answer
    x = 29,463.35

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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.