Home / 51,423.45-71,001.14-40,105.59

Finding the Fourth Proportional to 51,423.45, 71,001.14 and 40,105.59

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Solution

The fourth proportional to 51,423.45, 71,001.14 and 40,105.59 is: 55,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,423.45 : 71,001.14 = 40,105.59 : x
  2. Step 2: Convert to fraction form
    51,423.45/71,001.14 = 40,105.59/x
  3. Step 3: Cross multiply
    51,423.45x = 71,001.14 × 40,105.59
  4. Step 4: Simplify right side
    51,423.45x = 2,847,542,409.84
  5. Step 5: Solve for x
    x = 2,847,542,409.84/51,423.45
  6. Step 6: Final answer
    x = 55,374.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.