Home / 34,887.41-48,144.17-18,971.52

Finding the Fourth Proportional to 34,887.41, 48,144.17 and 18,971.52

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Solution

The fourth proportional to 34,887.41, 48,144.17 and 18,971.52 is: 26,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.41 : 48,144.17 = 18,971.52 : x
  2. Step 2: Convert to fraction form
    34,887.41/48,144.17 = 18,971.52/x
  3. Step 3: Cross multiply
    34,887.41x = 48,144.17 × 18,971.52
  4. Step 4: Simplify right side
    34,887.41x = 913,367,950.93
  5. Step 5: Solve for x
    x = 913,367,950.93/34,887.41
  6. Step 6: Final answer
    x = 26,180.45

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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.