Home / 60,642.18-90,977.12-18,528.26

Finding the Fourth Proportional to 60,642.18, 90,977.12 and 18,528.26

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Solution

The fourth proportional to 60,642.18, 90,977.12 and 18,528.26 is: 27,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,642.18 : 90,977.12 = 18,528.26 : x
  2. Step 2: Convert to fraction form
    60,642.18/90,977.12 = 18,528.26/x
  3. Step 3: Cross multiply
    60,642.18x = 90,977.12 × 18,528.26
  4. Step 4: Simplify right side
    60,642.18x = 1,685,647,185.88
  5. Step 5: Solve for x
    x = 1,685,647,185.88/60,642.18
  6. Step 6: Final answer
    x = 27,796.61

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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.