Home / 38,981,900.80-58,472,851.20-31,896,020.80

Finding the Fourth Proportional to 38,981,900.80, 58,472,851.20 and 31,896,020.80

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Solution

The fourth proportional to 38,981,900.80, 58,472,851.20 and 31,896,020.80 is: 47,844,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981,900.80 : 58,472,851.20 = 31,896,020.80 : x
  2. Step 2: Convert to fraction form
    38,981,900.80/58,472,851.20 = 31,896,020.80/x
  3. Step 3: Cross multiply
    38,981,900.80x = 58,472,851.20 × 31,896,020.80
  4. Step 4: Simplify right side
    38,981,900.80x = 1,865,051,278,110,505
  5. Step 5: Solve for x
    x = 1,865,051,278,110,505/38,981,900.80
  6. Step 6: Final answer
    x = 47,844,031.20

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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.