Home / 71,226.11-98,288.08-38,954.32

Finding the Fourth Proportional to 71,226.11, 98,288.08 and 38,954.32

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Solution

The fourth proportional to 71,226.11, 98,288.08 and 38,954.32 is: 53,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,226.11 : 98,288.08 = 38,954.32 : x
  2. Step 2: Convert to fraction form
    71,226.11/98,288.08 = 38,954.32/x
  3. Step 3: Cross multiply
    71,226.11x = 98,288.08 × 38,954.32
  4. Step 4: Simplify right side
    71,226.11x = 3,828,744,977.40
  5. Step 5: Solve for x
    x = 3,828,744,977.40/71,226.11
  6. Step 6: Final answer
    x = 53,754.79

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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.