Home / 71,447.08-107,170.65-26,483.90

Finding the Fourth Proportional to 71,447.08, 107,170.65 and 26,483.90

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Solution

The fourth proportional to 71,447.08, 107,170.65 and 26,483.90 is: 39,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,447.08 : 107,170.65 = 26,483.90 : x
  2. Step 2: Convert to fraction form
    71,447.08/107,170.65 = 26,483.90/x
  3. Step 3: Cross multiply
    71,447.08x = 107,170.65 × 26,483.90
  4. Step 4: Simplify right side
    71,447.08x = 2,838,296,109.26
  5. Step 5: Solve for x
    x = 2,838,296,109.26/71,447.08
  6. Step 6: Final answer
    x = 39,725.85

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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.