Home / 51,040.80-70,432.20-29,817.72

Finding the Fourth Proportional to 51,040.80, 70,432.20 and 29,817.72

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Solution

The fourth proportional to 51,040.80, 70,432.20 and 29,817.72 is: 41,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.80 : 70,432.20 = 29,817.72 : x
  2. Step 2: Convert to fraction form
    51,040.80/70,432.20 = 29,817.72/x
  3. Step 3: Cross multiply
    51,040.80x = 70,432.20 × 29,817.72
  4. Step 4: Simplify right side
    51,040.80x = 2,100,127,618.58
  5. Step 5: Solve for x
    x = 2,100,127,618.58/51,040.80
  6. Step 6: Final answer
    x = 41,146.06

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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.