Home / 45,259.76-67,890.35-17,172.41

Finding the Fourth Proportional to 45,259.76, 67,890.35 and 17,172.41

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Solution

The fourth proportional to 45,259.76, 67,890.35 and 17,172.41 is: 25,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,259.76 : 67,890.35 = 17,172.41 : x
  2. Step 2: Convert to fraction form
    45,259.76/67,890.35 = 17,172.41/x
  3. Step 3: Cross multiply
    45,259.76x = 67,890.35 × 17,172.41
  4. Step 4: Simplify right side
    45,259.76x = 1,165,840,628.72
  5. Step 5: Solve for x
    x = 1,165,840,628.72/45,259.76
  6. Step 6: Final answer
    x = 25,758.88

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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.