Home / 45,172.80-67,668.48-25,421.76

Finding the Fourth Proportional to 45,172.80, 67,668.48 and 25,421.76

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Solution

The fourth proportional to 45,172.80, 67,668.48 and 25,421.76 is: 38,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.80 : 67,668.48 = 25,421.76 : x
  2. Step 2: Convert to fraction form
    45,172.80/67,668.48 = 25,421.76/x
  3. Step 3: Cross multiply
    45,172.80x = 67,668.48 × 25,421.76
  4. Step 4: Simplify right side
    45,172.80x = 1,720,251,858.12
  5. Step 5: Solve for x
    x = 1,720,251,858.12/45,172.80
  6. Step 6: Final answer
    x = 38,081.59

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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.