Home / 52,473.45-78,722.49-20,885.43

Finding the Fourth Proportional to 52,473.45, 78,722.49 and 20,885.43

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Solution

The fourth proportional to 52,473.45, 78,722.49 and 20,885.43 is: 31,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,473.45 : 78,722.49 = 20,885.43 : x
  2. Step 2: Convert to fraction form
    52,473.45/78,722.49 = 20,885.43/x
  3. Step 3: Cross multiply
    52,473.45x = 78,722.49 × 20,885.43
  4. Step 4: Simplify right side
    52,473.45x = 1,644,153,251.13
  5. Step 5: Solve for x
    x = 1,644,153,251.13/52,473.45
  6. Step 6: Final answer
    x = 31,333.05

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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.