Home / 52,684.32-79,026.55-21,519.58

Finding the Fourth Proportional to 52,684.32, 79,026.55 and 21,519.58

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Solution

The fourth proportional to 52,684.32, 79,026.55 and 21,519.58 is: 32,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,684.32 : 79,026.55 = 21,519.58 : x
  2. Step 2: Convert to fraction form
    52,684.32/79,026.55 = 21,519.58/x
  3. Step 3: Cross multiply
    52,684.32x = 79,026.55 × 21,519.58
  4. Step 4: Simplify right side
    52,684.32x = 1,700,618,164.85
  5. Step 5: Solve for x
    x = 1,700,618,164.85/52,684.32
  6. Step 6: Final answer
    x = 32,279.40

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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.