Home / 31,935.40-44,070.86-18,514.44

Finding the Fourth Proportional to 31,935.40, 44,070.86 and 18,514.44

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Solution

The fourth proportional to 31,935.40, 44,070.86 and 18,514.44 is: 25,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.40 : 44,070.86 = 18,514.44 : x
  2. Step 2: Convert to fraction form
    31,935.40/44,070.86 = 18,514.44/x
  3. Step 3: Cross multiply
    31,935.40x = 44,070.86 × 18,514.44
  4. Step 4: Simplify right side
    31,935.40x = 815,947,119.15
  5. Step 5: Solve for x
    x = 815,947,119.15/31,935.40
  6. Step 6: Final answer
    x = 25,549.93

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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.