Home / 52,492.10-78,715.06-19,203.53

Finding the Fourth Proportional to 52,492.10, 78,715.06 and 19,203.53

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Solution

The fourth proportional to 52,492.10, 78,715.06 and 19,203.53 is: 28,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,492.10 : 78,715.06 = 19,203.53 : x
  2. Step 2: Convert to fraction form
    52,492.10/78,715.06 = 19,203.53/x
  3. Step 3: Cross multiply
    52,492.10x = 78,715.06 × 19,203.53
  4. Step 4: Simplify right side
    52,492.10x = 1,511,607,016.16
  5. Step 5: Solve for x
    x = 1,511,607,016.16/52,492.10
  6. Step 6: Final answer
    x = 28,796.85

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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.