Home / 45,220.40-62,338.60-31,750.64

Finding the Fourth Proportional to 45,220.40, 62,338.60 and 31,750.64

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Solution

The fourth proportional to 45,220.40, 62,338.60 and 31,750.64 is: 43,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,220.40 : 62,338.60 = 31,750.64 : x
  2. Step 2: Convert to fraction form
    45,220.40/62,338.60 = 31,750.64/x
  3. Step 3: Cross multiply
    45,220.40x = 62,338.60 × 31,750.64
  4. Step 4: Simplify right side
    45,220.40x = 1,979,290,446.70
  5. Step 5: Solve for x
    x = 1,979,290,446.70/45,220.40
  6. Step 6: Final answer
    x = 43,769.86

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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.