Home / 67,621.24-101,441.09-28,169.13

Finding the Fourth Proportional to 67,621.24, 101,441.09 and 28,169.13

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Solution

The fourth proportional to 67,621.24, 101,441.09 and 28,169.13 is: 42,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,621.24 : 101,441.09 = 28,169.13 : x
  2. Step 2: Convert to fraction form
    67,621.24/101,441.09 = 28,169.13/x
  3. Step 3: Cross multiply
    67,621.24x = 101,441.09 × 28,169.13
  4. Step 4: Simplify right side
    67,621.24x = 2,857,506,603.50
  5. Step 5: Solve for x
    x = 2,857,506,603.50/67,621.24
  6. Step 6: Final answer
    x = 42,257.53

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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.