Home / 52,881.20-79,317.68-19,585.60

Finding the Fourth Proportional to 52,881.20, 79,317.68 and 19,585.60

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Solution

The fourth proportional to 52,881.20, 79,317.68 and 19,585.60 is: 29,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,881.20 : 79,317.68 = 19,585.60 : x
  2. Step 2: Convert to fraction form
    52,881.20/79,317.68 = 19,585.60/x
  3. Step 3: Cross multiply
    52,881.20x = 79,317.68 × 19,585.60
  4. Step 4: Simplify right side
    52,881.20x = 1,553,484,353.41
  5. Step 5: Solve for x
    x = 1,553,484,353.41/52,881.20
  6. Step 6: Final answer
    x = 29,376.87

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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.