Home / 67,429.04-101,112.27-39,357.21

Finding the Fourth Proportional to 67,429.04, 101,112.27 and 39,357.21

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Solution

The fourth proportional to 67,429.04, 101,112.27 and 39,357.21 is: 59,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,429.04 : 101,112.27 = 39,357.21 : x
  2. Step 2: Convert to fraction form
    67,429.04/101,112.27 = 39,357.21/x
  3. Step 3: Cross multiply
    67,429.04x = 101,112.27 × 39,357.21
  4. Step 4: Simplify right side
    67,429.04x = 3,979,496,843.97
  5. Step 5: Solve for x
    x = 3,979,496,843.97/67,429.04
  6. Step 6: Final answer
    x = 59,017.56

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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.