Home / 38,092.89-57,117.45-20,301.65

Finding the Fourth Proportional to 38,092.89, 57,117.45 and 20,301.65

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Solution

The fourth proportional to 38,092.89, 57,117.45 and 20,301.65 is: 30,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,092.89 : 57,117.45 = 20,301.65 : x
  2. Step 2: Convert to fraction form
    38,092.89/57,117.45 = 20,301.65/x
  3. Step 3: Cross multiply
    38,092.89x = 57,117.45 × 20,301.65
  4. Step 4: Simplify right side
    38,092.89x = 1,159,578,478.79
  5. Step 5: Solve for x
    x = 1,159,578,478.79/38,092.89
  6. Step 6: Final answer
    x = 30,440.81

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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.