Home / 31,461.11-43,417.36-18,034.90

Finding the Fourth Proportional to 31,461.11, 43,417.36 and 18,034.90

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Solution

The fourth proportional to 31,461.11, 43,417.36 and 18,034.90 is: 24,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.11 : 43,417.36 = 18,034.90 : x
  2. Step 2: Convert to fraction form
    31,461.11/43,417.36 = 18,034.90/x
  3. Step 3: Cross multiply
    31,461.11x = 43,417.36 × 18,034.90
  4. Step 4: Simplify right side
    31,461.11x = 783,027,745.86
  5. Step 5: Solve for x
    x = 783,027,745.86/31,461.11
  6. Step 6: Final answer
    x = 24,888.75

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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.