Home / 30,243.66-45,377.91-13,367.76

Finding the Fourth Proportional to 30,243.66, 45,377.91 and 13,367.76

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Solution

The fourth proportional to 30,243.66, 45,377.91 and 13,367.76 is: 20,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.66 : 45,377.91 = 13,367.76 : x
  2. Step 2: Convert to fraction form
    30,243.66/45,377.91 = 13,367.76/x
  3. Step 3: Cross multiply
    30,243.66x = 45,377.91 × 13,367.76
  4. Step 4: Simplify right side
    30,243.66x = 606,601,010.18
  5. Step 5: Solve for x
    x = 606,601,010.18/30,243.66
  6. Step 6: Final answer
    x = 20,057.13

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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.