Home / 38,100.62-57,045.33-28,712.23

Finding the Fourth Proportional to 38,100.62, 57,045.33 and 28,712.23

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Solution

The fourth proportional to 38,100.62, 57,045.33 and 28,712.23 is: 42,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.62 : 57,045.33 = 28,712.23 : x
  2. Step 2: Convert to fraction form
    38,100.62/57,045.33 = 28,712.23/x
  3. Step 3: Cross multiply
    38,100.62x = 57,045.33 × 28,712.23
  4. Step 4: Simplify right side
    38,100.62x = 1,637,898,954.44
  5. Step 5: Solve for x
    x = 1,637,898,954.44/38,100.62
  6. Step 6: Final answer
    x = 42,988.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.