Home / 31,423.80-43,365.14-17,276.76

Finding the Fourth Proportional to 31,423.80, 43,365.14 and 17,276.76

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Solution

The fourth proportional to 31,423.80, 43,365.14 and 17,276.76 is: 23,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.80 : 43,365.14 = 17,276.76 : x
  2. Step 2: Convert to fraction form
    31,423.80/43,365.14 = 17,276.76/x
  3. Step 3: Cross multiply
    31,423.80x = 43,365.14 × 17,276.76
  4. Step 4: Simplify right side
    31,423.80x = 749,209,116.15
  5. Step 5: Solve for x
    x = 749,209,116.15/31,423.80
  6. Step 6: Final answer
    x = 23,842.09

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Double scale
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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.