Home / 60,033.12-90,028.08-20,579.64

Finding the Fourth Proportional to 60,033.12, 90,028.08 and 20,579.64

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Solution

The fourth proportional to 60,033.12, 90,028.08 and 20,579.64 is: 30,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,033.12 : 90,028.08 = 20,579.64 : x
  2. Step 2: Convert to fraction form
    60,033.12/90,028.08 = 20,579.64/x
  3. Step 3: Cross multiply
    60,033.12x = 90,028.08 × 20,579.64
  4. Step 4: Simplify right side
    60,033.12x = 1,852,745,476.29
  5. Step 5: Solve for x
    x = 1,852,745,476.29/60,033.12
  6. Step 6: Final answer
    x = 30,862.06

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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.