Home / 54,649.05-75,415.97-30,776.13

Finding the Fourth Proportional to 54,649.05, 75,415.97 and 30,776.13

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Solution

The fourth proportional to 54,649.05, 75,415.97 and 30,776.13 is: 42,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,649.05 : 75,415.97 = 30,776.13 : x
  2. Step 2: Convert to fraction form
    54,649.05/75,415.97 = 30,776.13/x
  3. Step 3: Cross multiply
    54,649.05x = 75,415.97 × 30,776.13
  4. Step 4: Simplify right side
    54,649.05x = 2,321,011,542.92
  5. Step 5: Solve for x
    x = 2,321,011,542.92/54,649.05
  6. Step 6: Final answer
    x = 42,471.21

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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.