Home / 45,306.74-67,938.18-19,004.42

Finding the Fourth Proportional to 45,306.74, 67,938.18 and 19,004.42

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Solution

The fourth proportional to 45,306.74, 67,938.18 and 19,004.42 is: 28,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,306.74 : 67,938.18 = 19,004.42 : x
  2. Step 2: Convert to fraction form
    45,306.74/67,938.18 = 19,004.42/x
  3. Step 3: Cross multiply
    45,306.74x = 67,938.18 × 19,004.42
  4. Step 4: Simplify right side
    45,306.74x = 1,291,125,706.76
  5. Step 5: Solve for x
    x = 1,291,125,706.76/45,306.74
  6. Step 6: Final answer
    x = 28,497.43

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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.