Home / 31,935.13-44,070.49-18,514.18

Finding the Fourth Proportional to 31,935.13, 44,070.49 and 18,514.18

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Solution

The fourth proportional to 31,935.13, 44,070.49 and 18,514.18 is: 25,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.13 : 44,070.49 = 18,514.18 : x
  2. Step 2: Convert to fraction form
    31,935.13/44,070.49 = 18,514.18/x
  3. Step 3: Cross multiply
    31,935.13x = 44,070.49 × 18,514.18
  4. Step 4: Simplify right side
    31,935.13x = 815,928,984.55
  5. Step 5: Solve for x
    x = 815,928,984.55/31,935.13
  6. Step 6: Final answer
    x = 25,549.57

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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.