Home / 54,384-75,050.16-31,738.56

Finding the Fourth Proportional to 54,384, 75,050.16 and 31,738.56

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Solution

The fourth proportional to 54,384, 75,050.16 and 31,738.56 is: 43,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384 : 75,050.16 = 31,738.56 : x
  2. Step 2: Convert to fraction form
    54,384/75,050.16 = 31,738.56/x
  3. Step 3: Cross multiply
    54,384x = 75,050.16 × 31,738.56
  4. Step 4: Simplify right side
    54,384x = 2,381,984,006.17
  5. Step 5: Solve for x
    x = 2,381,984,006.17/54,384
  6. Step 6: Final answer
    x = 43,799.35

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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.