Home / 52,069.34-78,087.86-18,785.08

Finding the Fourth Proportional to 52,069.34, 78,087.86 and 18,785.08

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Solution

The fourth proportional to 52,069.34, 78,087.86 and 18,785.08 is: 28,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069.34 : 78,087.86 = 18,785.08 : x
  2. Step 2: Convert to fraction form
    52,069.34/78,087.86 = 18,785.08/x
  3. Step 3: Cross multiply
    52,069.34x = 78,087.86 × 18,785.08
  4. Step 4: Simplify right side
    52,069.34x = 1,466,886,306.69
  5. Step 5: Solve for x
    x = 1,466,886,306.69/52,069.34
  6. Step 6: Final answer
    x = 28,171.79

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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.