Home / 51,510.66-71,086.28-28,849.60

Finding the Fourth Proportional to 51,510.66, 71,086.28 and 28,849.60

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Solution

The fourth proportional to 51,510.66, 71,086.28 and 28,849.60 is: 39,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,510.66 : 71,086.28 = 28,849.60 : x
  2. Step 2: Convert to fraction form
    51,510.66/71,086.28 = 28,849.60/x
  3. Step 3: Cross multiply
    51,510.66x = 71,086.28 × 28,849.60
  4. Step 4: Simplify right side
    51,510.66x = 2,050,810,743.49
  5. Step 5: Solve for x
    x = 2,050,810,743.49/51,510.66
  6. Step 6: Final answer
    x = 39,813.33

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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.