Home / 31,656.22-43,685.87-17,315.76

Finding the Fourth Proportional to 31,656.22, 43,685.87 and 17,315.76

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Solution

The fourth proportional to 31,656.22, 43,685.87 and 17,315.76 is: 23,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,656.22 : 43,685.87 = 17,315.76 : x
  2. Step 2: Convert to fraction form
    31,656.22/43,685.87 = 17,315.76/x
  3. Step 3: Cross multiply
    31,656.22x = 43,685.87 × 17,315.76
  4. Step 4: Simplify right side
    31,656.22x = 756,454,040.31
  5. Step 5: Solve for x
    x = 756,454,040.31/31,656.22
  6. Step 6: Final answer
    x = 23,895.91

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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.