Home / 52,565.21-78,858.20-19,285.55

Finding the Fourth Proportional to 52,565.21, 78,858.20 and 19,285.55

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Solution

The fourth proportional to 52,565.21, 78,858.20 and 19,285.55 is: 28,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,565.21 : 78,858.20 = 19,285.55 : x
  2. Step 2: Convert to fraction form
    52,565.21/78,858.20 = 19,285.55/x
  3. Step 3: Cross multiply
    52,565.21x = 78,858.20 × 19,285.55
  4. Step 4: Simplify right side
    52,565.21x = 1,520,823,759.01
  5. Step 5: Solve for x
    x = 1,520,823,759.01/52,565.21
  6. Step 6: Final answer
    x = 28,932.14

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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.