Home / 54,170.28-74,758.82-30,299.18

Finding the Fourth Proportional to 54,170.28, 74,758.82 and 30,299.18

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Solution

The fourth proportional to 54,170.28, 74,758.82 and 30,299.18 is: 41,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,170.28 : 74,758.82 = 30,299.18 : x
  2. Step 2: Convert to fraction form
    54,170.28/74,758.82 = 30,299.18/x
  3. Step 3: Cross multiply
    54,170.28x = 74,758.82 × 30,299.18
  4. Step 4: Simplify right side
    54,170.28x = 2,265,130,943.77
  5. Step 5: Solve for x
    x = 2,265,130,943.77/54,170.28
  6. Step 6: Final answer
    x = 41,815.01

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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.