Home / 31,493.25-43,456.91-18,063.81

Finding the Fourth Proportional to 31,493.25, 43,456.91 and 18,063.81

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Solution

The fourth proportional to 31,493.25, 43,456.91 and 18,063.81 is: 24,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.25 : 43,456.91 = 18,063.81 : x
  2. Step 2: Convert to fraction form
    31,493.25/43,456.91 = 18,063.81/x
  3. Step 3: Cross multiply
    31,493.25x = 43,456.91 × 18,063.81
  4. Step 4: Simplify right side
    31,493.25x = 784,997,275.11
  5. Step 5: Solve for x
    x = 784,997,275.11/31,493.25
  6. Step 6: Final answer
    x = 24,925.89

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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.