Home / 39,874.72-54,994.80-35,084.32

Finding the Fourth Proportional to 39,874.72, 54,994.80 and 35,084.32

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Solution

The fourth proportional to 39,874.72, 54,994.80 and 35,084.32 is: 48,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,874.72 : 54,994.80 = 35,084.32 : x
  2. Step 2: Convert to fraction form
    39,874.72/54,994.80 = 35,084.32/x
  3. Step 3: Cross multiply
    39,874.72x = 54,994.80 × 35,084.32
  4. Step 4: Simplify right side
    39,874.72x = 1,929,455,161.54
  5. Step 5: Solve for x
    x = 1,929,455,161.54/39,874.72
  6. Step 6: Final answer
    x = 48,387.93

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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.