Home / 51,470.88-71,024.06-28,806.72

Finding the Fourth Proportional to 51,470.88, 71,024.06 and 28,806.72

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Solution

The fourth proportional to 51,470.88, 71,024.06 and 28,806.72 is: 39,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,470.88 : 71,024.06 = 28,806.72 : x
  2. Step 2: Convert to fraction form
    51,470.88/71,024.06 = 28,806.72/x
  3. Step 3: Cross multiply
    51,470.88x = 71,024.06 × 28,806.72
  4. Step 4: Simplify right side
    51,470.88x = 2,045,970,209.68
  5. Step 5: Solve for x
    x = 2,045,970,209.68/51,470.88
  6. Step 6: Final answer
    x = 39,750.05

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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.