Home / 38,046.16-52,502.40-20,817.76

Finding the Fourth Proportional to 38,046.16, 52,502.40 and 20,817.76

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Solution

The fourth proportional to 38,046.16, 52,502.40 and 20,817.76 is: 28,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,046.16 : 52,502.40 = 20,817.76 : x
  2. Step 2: Convert to fraction form
    38,046.16/52,502.40 = 20,817.76/x
  3. Step 3: Cross multiply
    38,046.16x = 52,502.40 × 20,817.76
  4. Step 4: Simplify right side
    38,046.16x = 1,092,982,362.62
  5. Step 5: Solve for x
    x = 1,092,982,362.62/38,046.16
  6. Step 6: Final answer
    x = 28,727.80

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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.