Home / 31,310.04-43,210.85-17,883.30

Finding the Fourth Proportional to 31,310.04, 43,210.85 and 17,883.30

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Solution

The fourth proportional to 31,310.04, 43,210.85 and 17,883.30 is: 24,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.04 : 43,210.85 = 17,883.30 : x
  2. Step 2: Convert to fraction form
    31,310.04/43,210.85 = 17,883.30/x
  3. Step 3: Cross multiply
    31,310.04x = 43,210.85 × 17,883.30
  4. Step 4: Simplify right side
    31,310.04x = 772,752,504.39
  5. Step 5: Solve for x
    x = 772,752,504.39/31,310.04
  6. Step 6: Final answer
    x = 24,680.66

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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.