Home / 31,826.92-43,921.98-17,681.08

Finding the Fourth Proportional to 31,826.92, 43,921.98 and 17,681.08

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Solution

The fourth proportional to 31,826.92, 43,921.98 and 17,681.08 is: 24,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.92 : 43,921.98 = 17,681.08 : x
  2. Step 2: Convert to fraction form
    31,826.92/43,921.98 = 17,681.08/x
  3. Step 3: Cross multiply
    31,826.92x = 43,921.98 × 17,681.08
  4. Step 4: Simplify right side
    31,826.92x = 776,588,042.14
  5. Step 5: Solve for x
    x = 776,588,042.14/31,826.92
  6. Step 6: Final answer
    x = 24,400.35

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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.