Home / 45,270.72-67,901.28-27,709.92

Finding the Fourth Proportional to 45,270.72, 67,901.28 and 27,709.92

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Solution

The fourth proportional to 45,270.72, 67,901.28 and 27,709.92 is: 41,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,270.72 : 67,901.28 = 27,709.92 : x
  2. Step 2: Convert to fraction form
    45,270.72/67,901.28 = 27,709.92/x
  3. Step 3: Cross multiply
    45,270.72x = 67,901.28 × 27,709.92
  4. Step 4: Simplify right side
    45,270.72x = 1,881,539,036.70
  5. Step 5: Solve for x
    x = 1,881,539,036.70/45,270.72
  6. Step 6: Final answer
    x = 41,561.94

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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.