Home / 31,867.68-43,977.45-17,720.40

Finding the Fourth Proportional to 31,867.68, 43,977.45 and 17,720.40

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Solution

The fourth proportional to 31,867.68, 43,977.45 and 17,720.40 is: 24,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.68 : 43,977.45 = 17,720.40 : x
  2. Step 2: Convert to fraction form
    31,867.68/43,977.45 = 17,720.40/x
  3. Step 3: Cross multiply
    31,867.68x = 43,977.45 × 17,720.40
  4. Step 4: Simplify right side
    31,867.68x = 779,298,004.98
  5. Step 5: Solve for x
    x = 779,298,004.98/31,867.68
  6. Step 6: Final answer
    x = 24,454.18

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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.