Home / 51,156.55-76,745.29-21,574.41

Finding the Fourth Proportional to 51,156.55, 76,745.29 and 21,574.41

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Solution

The fourth proportional to 51,156.55, 76,745.29 and 21,574.41 is: 32,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,156.55 : 76,745.29 = 21,574.41 : x
  2. Step 2: Convert to fraction form
    51,156.55/76,745.29 = 21,574.41/x
  3. Step 3: Cross multiply
    51,156.55x = 76,745.29 × 21,574.41
  4. Step 4: Simplify right side
    51,156.55x = 1,655,734,244.16
  5. Step 5: Solve for x
    x = 1,655,734,244.16/51,156.55
  6. Step 6: Final answer
    x = 32,366.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.