Home / 34,887.28-48,144.10-18,971.39

Finding the Fourth Proportional to 34,887.28, 48,144.10 and 18,971.39

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Solution

The fourth proportional to 34,887.28, 48,144.10 and 18,971.39 is: 26,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.28 : 48,144.10 = 18,971.39 : x
  2. Step 2: Convert to fraction form
    34,887.28/48,144.10 = 18,971.39/x
  3. Step 3: Cross multiply
    34,887.28x = 48,144.10 × 18,971.39
  4. Step 4: Simplify right side
    34,887.28x = 913,360,497.30
  5. Step 5: Solve for x
    x = 913,360,497.30/34,887.28
  6. Step 6: Final answer
    x = 26,180.33

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1.5x scale

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.