Home / 35,111.76-48,454.25-18,979.04

Finding the Fourth Proportional to 35,111.76, 48,454.25 and 18,979.04

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Solution

The fourth proportional to 35,111.76, 48,454.25 and 18,979.04 is: 26,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,111.76 : 48,454.25 = 18,979.04 : x
  2. Step 2: Convert to fraction form
    35,111.76/48,454.25 = 18,979.04/x
  3. Step 3: Cross multiply
    35,111.76x = 48,454.25 × 18,979.04
  4. Step 4: Simplify right side
    35,111.76x = 919,614,811.75
  5. Step 5: Solve for x
    x = 919,614,811.75/35,111.76
  6. Step 6: Final answer
    x = 26,191.08

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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.