Home / 52,330.25-78,447.88-19,026.78

Finding the Fourth Proportional to 52,330.25, 78,447.88 and 19,026.78

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Solution

The fourth proportional to 52,330.25, 78,447.88 and 19,026.78 is: 28,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,330.25 : 78,447.88 = 19,026.78 : x
  2. Step 2: Convert to fraction form
    52,330.25/78,447.88 = 19,026.78/x
  3. Step 3: Cross multiply
    52,330.25x = 78,447.88 × 19,026.78
  4. Step 4: Simplify right side
    52,330.25x = 1,492,610,554.23
  5. Step 5: Solve for x
    x = 1,492,610,554.23/52,330.25
  6. Step 6: Final answer
    x = 28,522.90

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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.