Home / 45,188.20-67,814.70-25,445.80

Finding the Fourth Proportional to 45,188.20, 67,814.70 and 25,445.80

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Solution

The fourth proportional to 45,188.20, 67,814.70 and 25,445.80 is: 38,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.20 : 67,814.70 = 25,445.80 : x
  2. Step 2: Convert to fraction form
    45,188.20/67,814.70 = 25,445.80/x
  3. Step 3: Cross multiply
    45,188.20x = 67,814.70 × 25,445.80
  4. Step 4: Simplify right side
    45,188.20x = 1,725,599,293.26
  5. Step 5: Solve for x
    x = 1,725,599,293.26/45,188.20
  6. Step 6: Final answer
    x = 38,186.94

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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.