Home / 31,462.12-43,417.88-18,034.18

Finding the Fourth Proportional to 31,462.12, 43,417.88 and 18,034.18

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Solution

The fourth proportional to 31,462.12, 43,417.88 and 18,034.18 is: 24,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,462.12 : 43,417.88 = 18,034.18 : x
  2. Step 2: Convert to fraction form
    31,462.12/43,417.88 = 18,034.18/x
  3. Step 3: Cross multiply
    31,462.12x = 43,417.88 × 18,034.18
  4. Step 4: Simplify right side
    31,462.12x = 783,005,863.14
  5. Step 5: Solve for x
    x = 783,005,863.14/31,462.12
  6. Step 6: Final answer
    x = 24,887.26

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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.