Home / 35,115.40-48,449.48-20,963.08

Finding the Fourth Proportional to 35,115.40, 48,449.48 and 20,963.08

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Solution

The fourth proportional to 35,115.40, 48,449.48 and 20,963.08 is: 28,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.40 : 48,449.48 = 20,963.08 : x
  2. Step 2: Convert to fraction form
    35,115.40/48,449.48 = 20,963.08/x
  3. Step 3: Cross multiply
    35,115.40x = 48,449.48 × 20,963.08
  4. Step 4: Simplify right side
    35,115.40x = 1,015,650,325.20
  5. Step 5: Solve for x
    x = 1,015,650,325.20/35,115.40
  6. Step 6: Final answer
    x = 28,923.22

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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.