Home / 31,620.92-43,637.69-17,281.36

Finding the Fourth Proportional to 31,620.92, 43,637.69 and 17,281.36

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Solution

The fourth proportional to 31,620.92, 43,637.69 and 17,281.36 is: 23,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.92 : 43,637.69 = 17,281.36 : x
  2. Step 2: Convert to fraction form
    31,620.92/43,637.69 = 17,281.36/x
  3. Step 3: Cross multiply
    31,620.92x = 43,637.69 × 17,281.36
  4. Step 4: Simplify right side
    31,620.92x = 754,118,564.57
  5. Step 5: Solve for x
    x = 754,118,564.57/31,620.92
  6. Step 6: Final answer
    x = 23,848.72

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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.