Home / 51,759.46-77,655.60-18,478.81

Finding the Fourth Proportional to 51,759.46, 77,655.60 and 18,478.81

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Solution

The fourth proportional to 51,759.46, 77,655.60 and 18,478.81 is: 27,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,759.46 : 77,655.60 = 18,478.81 : x
  2. Step 2: Convert to fraction form
    51,759.46/77,655.60 = 18,478.81/x
  3. Step 3: Cross multiply
    51,759.46x = 77,655.60 × 18,478.81
  4. Step 4: Simplify right side
    51,759.46x = 1,434,983,077.84
  5. Step 5: Solve for x
    x = 1,434,983,077.84/51,759.46
  6. Step 6: Final answer
    x = 27,724.07

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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.