Home / 51,170.01-70,619.78-28,512.69

Finding the Fourth Proportional to 51,170.01, 70,619.78 and 28,512.69

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Solution

The fourth proportional to 51,170.01, 70,619.78 and 28,512.69 is: 39,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.01 : 70,619.78 = 28,512.69 : x
  2. Step 2: Convert to fraction form
    51,170.01/70,619.78 = 28,512.69/x
  3. Step 3: Cross multiply
    51,170.01x = 70,619.78 × 28,512.69
  4. Step 4: Simplify right side
    51,170.01x = 2,013,559,966.29
  5. Step 5: Solve for x
    x = 2,013,559,966.29/51,170.01
  6. Step 6: Final answer
    x = 39,350.39

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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.