Home / 51,972-71,721.56-29,002.80

Finding the Fourth Proportional to 51,972, 71,721.56 and 29,002.80

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Solution

The fourth proportional to 51,972, 71,721.56 and 29,002.80 is: 40,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972 : 71,721.56 = 29,002.80 : x
  2. Step 2: Convert to fraction form
    51,972/71,721.56 = 29,002.80/x
  3. Step 3: Cross multiply
    51,972x = 71,721.56 × 29,002.80
  4. Step 4: Simplify right side
    51,972x = 2,080,126,060.37
  5. Step 5: Solve for x
    x = 2,080,126,060.37/51,972
  6. Step 6: Final answer
    x = 40,023.98

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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.