Home / 71,897.04-107,846.25-19,306.53

Finding the Fourth Proportional to 71,897.04, 107,846.25 and 19,306.53

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Solution

The fourth proportional to 71,897.04, 107,846.25 and 19,306.53 is: 28,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,897.04 : 107,846.25 = 19,306.53 : x
  2. Step 2: Convert to fraction form
    71,897.04/107,846.25 = 19,306.53/x
  3. Step 3: Cross multiply
    71,897.04x = 107,846.25 × 19,306.53
  4. Step 4: Simplify right side
    71,897.04x = 2,082,136,861.01
  5. Step 5: Solve for x
    x = 2,082,136,861.01/71,897.04
  6. Step 6: Final answer
    x = 28,959.98

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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.