Home / 52,929.50-79,333.85-21,319.32

Finding the Fourth Proportional to 52,929.50, 79,333.85 and 21,319.32

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Solution

The fourth proportional to 52,929.50, 79,333.85 and 21,319.32 is: 31,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,929.50 : 79,333.85 = 21,319.32 : x
  2. Step 2: Convert to fraction form
    52,929.50/79,333.85 = 21,319.32/x
  3. Step 3: Cross multiply
    52,929.50x = 79,333.85 × 21,319.32
  4. Step 4: Simplify right side
    52,929.50x = 1,691,343,788.28
  5. Step 5: Solve for x
    x = 1,691,343,788.28/52,929.50
  6. Step 6: Final answer
    x = 31,954.65

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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.