Home / 52,748.47-79,102.20-19,005.49

Finding the Fourth Proportional to 52,748.47, 79,102.20 and 19,005.49

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Solution

The fourth proportional to 52,748.47, 79,102.20 and 19,005.49 is: 28,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,748.47 : 79,102.20 = 19,005.49 : x
  2. Step 2: Convert to fraction form
    52,748.47/79,102.20 = 19,005.49/x
  3. Step 3: Cross multiply
    52,748.47x = 79,102.20 × 19,005.49
  4. Step 4: Simplify right side
    52,748.47x = 1,503,376,071.08
  5. Step 5: Solve for x
    x = 1,503,376,071.08/52,748.47
  6. Step 6: Final answer
    x = 28,500.85

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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.