Home / 42,703.28-64,063.56-15,003.44

Finding the Fourth Proportional to 42,703.28, 64,063.56 and 15,003.44

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Solution

The fourth proportional to 42,703.28, 64,063.56 and 15,003.44 is: 22,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,703.28 : 64,063.56 = 15,003.44 : x
  2. Step 2: Convert to fraction form
    42,703.28/64,063.56 = 15,003.44/x
  3. Step 3: Cross multiply
    42,703.28x = 64,063.56 × 15,003.44
  4. Step 4: Simplify right side
    42,703.28x = 961,173,778.65
  5. Step 5: Solve for x
    x = 961,173,778.65/42,703.28
  6. Step 6: Final answer
    x = 22,508.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.