Home / 52,853.84-79,277.88-21,680.72

Finding the Fourth Proportional to 52,853.84, 79,277.88 and 21,680.72

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Solution

The fourth proportional to 52,853.84, 79,277.88 and 21,680.72 is: 32,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.84 : 79,277.88 = 21,680.72 : x
  2. Step 2: Convert to fraction form
    52,853.84/79,277.88 = 21,680.72/x
  3. Step 3: Cross multiply
    52,853.84x = 79,277.88 × 21,680.72
  4. Step 4: Simplify right side
    52,853.84x = 1,718,801,518.47
  5. Step 5: Solve for x
    x = 1,718,801,518.47/52,853.84
  6. Step 6: Final answer
    x = 32,519.90

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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.