Home / 55,006.33-75,902.43-30,803.92

Finding the Fourth Proportional to 55,006.33, 75,902.43 and 30,803.92

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Solution

The fourth proportional to 55,006.33, 75,902.43 and 30,803.92 is: 42,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,006.33 : 75,902.43 = 30,803.92 : x
  2. Step 2: Convert to fraction form
    55,006.33/75,902.43 = 30,803.92/x
  3. Step 3: Cross multiply
    55,006.33x = 75,902.43 × 30,803.92
  4. Step 4: Simplify right side
    55,006.33x = 2,338,092,381.53
  5. Step 5: Solve for x
    x = 2,338,092,381.53/55,006.33
  6. Step 6: Final answer
    x = 42,505.88

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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.