Home / 53,445.48-80,167.38-18,385.44

Finding the Fourth Proportional to 53,445.48, 80,167.38 and 18,385.44

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Solution

The fourth proportional to 53,445.48, 80,167.38 and 18,385.44 is: 27,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445.48 : 80,167.38 = 18,385.44 : x
  2. Step 2: Convert to fraction form
    53,445.48/80,167.38 = 18,385.44/x
  3. Step 3: Cross multiply
    53,445.48x = 80,167.38 × 18,385.44
  4. Step 4: Simplify right side
    53,445.48x = 1,473,912,554.95
  5. Step 5: Solve for x
    x = 1,473,912,554.95/53,445.48
  6. Step 6: Final answer
    x = 27,577.87

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1.5x scale

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.