Home / 53,312.45-79,963.17-17,769.92

Finding the Fourth Proportional to 53,312.45, 79,963.17 and 17,769.92

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Solution

The fourth proportional to 53,312.45, 79,963.17 and 17,769.92 is: 26,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312.45 : 79,963.17 = 17,769.92 : x
  2. Step 2: Convert to fraction form
    53,312.45/79,963.17 = 17,769.92/x
  3. Step 3: Cross multiply
    53,312.45x = 79,963.17 × 17,769.92
  4. Step 4: Simplify right side
    53,312.45x = 1,420,938,734.03
  5. Step 5: Solve for x
    x = 1,420,938,734.03/53,312.45
  6. Step 6: Final answer
    x = 26,653.04

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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.