Home / 31,468.91-43,422.01-18,037.69

Finding the Fourth Proportional to 31,468.91, 43,422.01 and 18,037.69

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Solution

The fourth proportional to 31,468.91, 43,422.01 and 18,037.69 is: 24,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.91 : 43,422.01 = 18,037.69 : x
  2. Step 2: Convert to fraction form
    31,468.91/43,422.01 = 18,037.69/x
  3. Step 3: Cross multiply
    31,468.91x = 43,422.01 × 18,037.69
  4. Step 4: Simplify right side
    31,468.91x = 783,232,601.91
  5. Step 5: Solve for x
    x = 783,232,601.91/31,468.91
  6. Step 6: Final answer
    x = 24,889.10

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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.