Home / 51,437.56-77,162.51-18,150.75

Finding the Fourth Proportional to 51,437.56, 77,162.51 and 18,150.75

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Solution

The fourth proportional to 51,437.56, 77,162.51 and 18,150.75 is: 27,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,437.56 : 77,162.51 = 18,150.75 : x
  2. Step 2: Convert to fraction form
    51,437.56/77,162.51 = 18,150.75/x
  3. Step 3: Cross multiply
    51,437.56x = 77,162.51 × 18,150.75
  4. Step 4: Simplify right side
    51,437.56x = 1,400,557,428.38
  5. Step 5: Solve for x
    x = 1,400,557,428.38/51,437.56
  6. Step 6: Final answer
    x = 27,228.30

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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.