Home / 67,421.25-101,137.10-39,344.13

Finding the Fourth Proportional to 67,421.25, 101,137.10 and 39,344.13

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Solution

The fourth proportional to 67,421.25, 101,137.10 and 39,344.13 is: 59,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.25 : 101,137.10 = 39,344.13 : x
  2. Step 2: Convert to fraction form
    67,421.25/101,137.10 = 39,344.13/x
  3. Step 3: Cross multiply
    67,421.25x = 101,137.10 × 39,344.13
  4. Step 4: Simplify right side
    67,421.25x = 3,979,151,013.50
  5. Step 5: Solve for x
    x = 3,979,151,013.50/67,421.25
  6. Step 6: Final answer
    x = 59,019.24

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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.