Home / 51,585.31-77,352.42-18,300.38

Finding the Fourth Proportional to 51,585.31, 77,352.42 and 18,300.38

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Solution

The fourth proportional to 51,585.31, 77,352.42 and 18,300.38 is: 27,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585.31 : 77,352.42 = 18,300.38 : x
  2. Step 2: Convert to fraction form
    51,585.31/77,352.42 = 18,300.38/x
  3. Step 3: Cross multiply
    51,585.31x = 77,352.42 × 18,300.38
  4. Step 4: Simplify right side
    51,585.31x = 1,415,578,679.92
  5. Step 5: Solve for x
    x = 1,415,578,679.92/51,585.31
  6. Step 6: Final answer
    x = 27,441.51

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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.