Home / 31,073,333.88-42,873,701.90-20,057,724.47

Finding the Fourth Proportional to 31,073,333.88, 42,873,701.90 and 20,057,724.47

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Solution

The fourth proportional to 31,073,333.88, 42,873,701.90 and 20,057,724.47 is: 27,674,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073,333.88 : 42,873,701.90 = 20,057,724.47 : x
  2. Step 2: Convert to fraction form
    31,073,333.88/42,873,701.90 = 20,057,724.47/x
  3. Step 3: Cross multiply
    31,073,333.88x = 42,873,701.90 × 20,057,724.47
  4. Step 4: Simplify right side
    31,073,333.88x = 859,948,899,618,826.88
  5. Step 5: Solve for x
    x = 859,948,899,618,826.88/31,073,333.88
  6. Step 6: Final answer
    x = 27,674,819.29

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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.