Home / 51,437.31-77,155.97-18,158.46

Finding the Fourth Proportional to 51,437.31, 77,155.97 and 18,158.46

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Solution

The fourth proportional to 51,437.31, 77,155.97 and 18,158.46 is: 27,237.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,437.31 : 77,155.97 = 18,158.46 : x
  2. Step 2: Convert to fraction form
    51,437.31/77,155.97 = 18,158.46/x
  3. Step 3: Cross multiply
    51,437.31x = 77,155.97 × 18,158.46
  4. Step 4: Simplify right side
    51,437.31x = 1,401,033,504.21
  5. Step 5: Solve for x
    x = 1,401,033,504.21/51,437.31
  6. Step 6: Final answer
    x = 27,237.69

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1.5x scale

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.