Home / 51,470.33-71,025.75-28,805.49

Finding the Fourth Proportional to 51,470.33, 71,025.75 and 28,805.49

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Solution

The fourth proportional to 51,470.33, 71,025.75 and 28,805.49 is: 39,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,470.33 : 71,025.75 = 28,805.49 : x
  2. Step 2: Convert to fraction form
    51,470.33/71,025.75 = 28,805.49/x
  3. Step 3: Cross multiply
    51,470.33x = 71,025.75 × 28,805.49
  4. Step 4: Simplify right side
    51,470.33x = 2,045,931,531.37
  5. Step 5: Solve for x
    x = 2,045,931,531.37/51,470.33
  6. Step 6: Final answer
    x = 39,749.73

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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.