Home / 31,095.22-42,910.14-16,947.76

Finding the Fourth Proportional to 31,095.22, 42,910.14 and 16,947.76

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Solution

The fourth proportional to 31,095.22, 42,910.14 and 16,947.76 is: 23,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,095.22 : 42,910.14 = 16,947.76 : x
  2. Step 2: Convert to fraction form
    31,095.22/42,910.14 = 16,947.76/x
  3. Step 3: Cross multiply
    31,095.22x = 42,910.14 × 16,947.76
  4. Step 4: Simplify right side
    31,095.22x = 727,230,754.29
  5. Step 5: Solve for x
    x = 727,230,754.29/31,095.22
  6. Step 6: Final answer
    x = 23,387.22

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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.