Home / 51,276.54-70,761.49-28,615.29

Finding the Fourth Proportional to 51,276.54, 70,761.49 and 28,615.29

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Solution

The fourth proportional to 51,276.54, 70,761.49 and 28,615.29 is: 39,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276.54 : 70,761.49 = 28,615.29 : x
  2. Step 2: Convert to fraction form
    51,276.54/70,761.49 = 28,615.29/x
  3. Step 3: Cross multiply
    51,276.54x = 70,761.49 × 28,615.29
  4. Step 4: Simplify right side
    51,276.54x = 2,024,860,662.55
  5. Step 5: Solve for x
    x = 2,024,860,662.55/51,276.54
  6. Step 6: Final answer
    x = 39,489.02

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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.