Home / 31,067,249.28-42,873,088.32-17,129,105.28

Finding the Fourth Proportional to 31,067,249.28, 42,873,088.32 and 17,129,105.28

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Solution

The fourth proportional to 31,067,249.28, 42,873,088.32 and 17,129,105.28 is: 23,638,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,067,249.28 : 42,873,088.32 = 17,129,105.28 : x
  2. Step 2: Convert to fraction form
    31,067,249.28/42,873,088.32 = 17,129,105.28/x
  3. Step 3: Cross multiply
    31,067,249.28x = 42,873,088.32 × 17,129,105.28
  4. Step 4: Simplify right side
    31,067,249.28x = 734,377,643,512,018.38
  5. Step 5: Solve for x
    x = 734,377,643,512,018.38/31,067,249.28
  6. Step 6: Final answer
    x = 23,638,322.04

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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.