Home / 31,548.22-43,535.78-17,400.76

Finding the Fourth Proportional to 31,548.22, 43,535.78 and 17,400.76

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Solution

The fourth proportional to 31,548.22, 43,535.78 and 17,400.76 is: 24,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.22 : 43,535.78 = 17,400.76 : x
  2. Step 2: Convert to fraction form
    31,548.22/43,535.78 = 17,400.76/x
  3. Step 3: Cross multiply
    31,548.22x = 43,535.78 × 17,400.76
  4. Step 4: Simplify right side
    31,548.22x = 757,555,528.60
  5. Step 5: Solve for x
    x = 757,555,528.60/31,548.22
  6. Step 6: Final answer
    x = 24,012.63

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Half scale
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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.