Home / 45,504.64-62,809.92-28,748.80

Finding the Fourth Proportional to 45,504.64, 62,809.92 and 28,748.80

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Solution

The fourth proportional to 45,504.64, 62,809.92 and 28,748.80 is: 39,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,504.64 : 62,809.92 = 28,748.80 : x
  2. Step 2: Convert to fraction form
    45,504.64/62,809.92 = 28,748.80/x
  3. Step 3: Cross multiply
    45,504.64x = 62,809.92 × 28,748.80
  4. Step 4: Simplify right side
    45,504.64x = 1,805,709,828.10
  5. Step 5: Solve for x
    x = 1,805,709,828.10/45,504.64
  6. Step 6: Final answer
    x = 39,681.88

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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.