Home / 52,830.55-79,253.52-15,385.87

Finding the Fourth Proportional to 52,830.55, 79,253.52 and 15,385.87

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Solution

The fourth proportional to 52,830.55, 79,253.52 and 15,385.87 is: 23,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,830.55 : 79,253.52 = 15,385.87 : x
  2. Step 2: Convert to fraction form
    52,830.55/79,253.52 = 15,385.87/x
  3. Step 3: Cross multiply
    52,830.55x = 79,253.52 × 15,385.87
  4. Step 4: Simplify right side
    52,830.55x = 1,219,384,355.76
  5. Step 5: Solve for x
    x = 1,219,384,355.76/52,830.55
  6. Step 6: Final answer
    x = 23,081.05

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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.