Home / 54,657.78-75,433.10-31,995.40

Finding the Fourth Proportional to 54,657.78, 75,433.10 and 31,995.40

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Solution

The fourth proportional to 54,657.78, 75,433.10 and 31,995.40 is: 44,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,657.78 : 75,433.10 = 31,995.40 : x
  2. Step 2: Convert to fraction form
    54,657.78/75,433.10 = 31,995.40/x
  3. Step 3: Cross multiply
    54,657.78x = 75,433.10 × 31,995.40
  4. Step 4: Simplify right side
    54,657.78x = 2,413,512,207.74
  5. Step 5: Solve for x
    x = 2,413,512,207.74/54,657.78
  6. Step 6: Final answer
    x = 44,156.79

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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.