Home / 45,874.47-63,279.81-28,851.78

Finding the Fourth Proportional to 45,874.47, 63,279.81 and 28,851.78

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Solution

The fourth proportional to 45,874.47, 63,279.81 and 28,851.78 is: 39,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,874.47 : 63,279.81 = 28,851.78 : x
  2. Step 2: Convert to fraction form
    45,874.47/63,279.81 = 28,851.78/x
  3. Step 3: Cross multiply
    45,874.47x = 63,279.81 × 28,851.78
  4. Step 4: Simplify right side
    45,874.47x = 1,825,735,156.56
  5. Step 5: Solve for x
    x = 1,825,735,156.56/45,874.47
  6. Step 6: Final answer
    x = 39,798.50

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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.