Home / 73,278.90-109,931.51-25,921.44

Finding the Fourth Proportional to 73,278.90, 109,931.51 and 25,921.44

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Solution

The fourth proportional to 73,278.90, 109,931.51 and 25,921.44 is: 38,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,278.90 : 109,931.51 = 25,921.44 : x
  2. Step 2: Convert to fraction form
    73,278.90/109,931.51 = 25,921.44/x
  3. Step 3: Cross multiply
    73,278.90x = 109,931.51 × 25,921.44
  4. Step 4: Simplify right side
    73,278.90x = 2,849,582,910.97
  5. Step 5: Solve for x
    x = 2,849,582,910.97/73,278.90
  6. Step 6: Final answer
    x = 38,886.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.