Home / 67,421.24-101,144.88-25,865

Finding the Fourth Proportional to 67,421.24, 101,144.88 and 25,865

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Solution

The fourth proportional to 67,421.24, 101,144.88 and 25,865 is: 38,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.24 : 101,144.88 = 25,865 : x
  2. Step 2: Convert to fraction form
    67,421.24/101,144.88 = 25,865/x
  3. Step 3: Cross multiply
    67,421.24x = 101,144.88 × 25,865
  4. Step 4: Simplify right side
    67,421.24x = 2,616,112,321.20
  5. Step 5: Solve for x
    x = 2,616,112,321.20/67,421.24
  6. Step 6: Final answer
    x = 38,802.49

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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.