Home / 31,465.24-43,420.76-18,027.17

Finding the Fourth Proportional to 31,465.24, 43,420.76 and 18,027.17

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Solution

The fourth proportional to 31,465.24, 43,420.76 and 18,027.17 is: 24,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.24 : 43,420.76 = 18,027.17 : x
  2. Step 2: Convert to fraction form
    31,465.24/43,420.76 = 18,027.17/x
  3. Step 3: Cross multiply
    31,465.24x = 43,420.76 × 18,027.17
  4. Step 4: Simplify right side
    31,465.24x = 782,753,345.24
  5. Step 5: Solve for x
    x = 782,753,345.24/31,465.24
  6. Step 6: Final answer
    x = 24,876.77

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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.