Home / 51,040.26-70,432.08-28,377.48

Finding the Fourth Proportional to 51,040.26, 70,432.08 and 28,377.48

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Solution

The fourth proportional to 51,040.26, 70,432.08 and 28,377.48 is: 39,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.26 : 70,432.08 = 28,377.48 : x
  2. Step 2: Convert to fraction form
    51,040.26/70,432.08 = 28,377.48/x
  3. Step 3: Cross multiply
    51,040.26x = 70,432.08 × 28,377.48
  4. Step 4: Simplify right side
    51,040.26x = 1,998,684,941.56
  5. Step 5: Solve for x
    x = 1,998,684,941.56/51,040.26
  6. Step 6: Final answer
    x = 39,158.99

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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.