Home / 52,325.95-78,538.24-19,078.15

Finding the Fourth Proportional to 52,325.95, 78,538.24 and 19,078.15

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Solution

The fourth proportional to 52,325.95, 78,538.24 and 19,078.15 is: 28,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,325.95 : 78,538.24 = 19,078.15 : x
  2. Step 2: Convert to fraction form
    52,325.95/78,538.24 = 19,078.15/x
  3. Step 3: Cross multiply
    52,325.95x = 78,538.24 × 19,078.15
  4. Step 4: Simplify right side
    52,325.95x = 1,498,363,930.76
  5. Step 5: Solve for x
    x = 1,498,363,930.76/52,325.95
  6. Step 6: Final answer
    x = 28,635.20

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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.