Home / 71,563.06-107,347.50-18,256.42

Finding the Fourth Proportional to 71,563.06, 107,347.50 and 18,256.42

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Solution

The fourth proportional to 71,563.06, 107,347.50 and 18,256.42 is: 27,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,563.06 : 107,347.50 = 18,256.42 : x
  2. Step 2: Convert to fraction form
    71,563.06/107,347.50 = 18,256.42/x
  3. Step 3: Cross multiply
    71,563.06x = 107,347.50 × 18,256.42
  4. Step 4: Simplify right side
    71,563.06x = 1,959,781,045.95
  5. Step 5: Solve for x
    x = 1,959,781,045.95/71,563.06
  6. Step 6: Final answer
    x = 27,385.37

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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.