Home / 31,235.70-43,104.90-17,088.39

Finding the Fourth Proportional to 31,235.70, 43,104.90 and 17,088.39

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Solution

The fourth proportional to 31,235.70, 43,104.90 and 17,088.39 is: 23,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.70 : 43,104.90 = 17,088.39 : x
  2. Step 2: Convert to fraction form
    31,235.70/43,104.90 = 17,088.39/x
  3. Step 3: Cross multiply
    31,235.70x = 43,104.90 × 17,088.39
  4. Step 4: Simplify right side
    31,235.70x = 736,593,342.11
  5. Step 5: Solve for x
    x = 736,593,342.11/31,235.70
  6. Step 6: Final answer
    x = 23,581.78

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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.