Home / 52,304.38-78,431.92-19,000.96

Finding the Fourth Proportional to 52,304.38, 78,431.92 and 19,000.96

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Solution

The fourth proportional to 52,304.38, 78,431.92 and 19,000.96 is: 28,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,304.38 : 78,431.92 = 19,000.96 : x
  2. Step 2: Convert to fraction form
    52,304.38/78,431.92 = 19,000.96/x
  3. Step 3: Cross multiply
    52,304.38x = 78,431.92 × 19,000.96
  4. Step 4: Simplify right side
    52,304.38x = 1,490,281,774.64
  5. Step 5: Solve for x
    x = 1,490,281,774.64/52,304.38
  6. Step 6: Final answer
    x = 28,492.49

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1.5x scale

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.