Home / 34,887.11-48,143.94-18,971.55

Finding the Fourth Proportional to 34,887.11, 48,143.94 and 18,971.55

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Solution

The fourth proportional to 34,887.11, 48,143.94 and 18,971.55 is: 26,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.11 : 48,143.94 = 18,971.55 : x
  2. Step 2: Convert to fraction form
    34,887.11/48,143.94 = 18,971.55/x
  3. Step 3: Cross multiply
    34,887.11x = 48,143.94 × 18,971.55
  4. Step 4: Simplify right side
    34,887.11x = 913,365,164.91
  5. Step 5: Solve for x
    x = 913,365,164.91/34,887.11
  6. Step 6: Final answer
    x = 26,180.59

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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.