Home / 51,099.12-70,516.29-28,437.75

Finding the Fourth Proportional to 51,099.12, 70,516.29 and 28,437.75

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Solution

The fourth proportional to 51,099.12, 70,516.29 and 28,437.75 is: 39,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,099.12 : 70,516.29 = 28,437.75 : x
  2. Step 2: Convert to fraction form
    51,099.12/70,516.29 = 28,437.75/x
  3. Step 3: Cross multiply
    51,099.12x = 70,516.29 × 28,437.75
  4. Step 4: Simplify right side
    51,099.12x = 2,005,324,625.95
  5. Step 5: Solve for x
    x = 2,005,324,625.95/51,099.12
  6. Step 6: Final answer
    x = 39,243.82

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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.