Home / 52,328.30-78,492.09-17,270.78

Finding the Fourth Proportional to 52,328.30, 78,492.09 and 17,270.78

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Solution

The fourth proportional to 52,328.30, 78,492.09 and 17,270.78 is: 25,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,328.30 : 78,492.09 = 17,270.78 : x
  2. Step 2: Convert to fraction form
    52,328.30/78,492.09 = 17,270.78/x
  3. Step 3: Cross multiply
    52,328.30x = 78,492.09 × 17,270.78
  4. Step 4: Simplify right side
    52,328.30x = 1,355,619,618.13
  5. Step 5: Solve for x
    x = 1,355,619,618.13/52,328.30
  6. Step 6: Final answer
    x = 25,906.05

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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.