Home / 52,861.43-79,272.38-21,260.84

Finding the Fourth Proportional to 52,861.43, 79,272.38 and 21,260.84

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Solution

The fourth proportional to 52,861.43, 79,272.38 and 21,260.84 is: 31,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,861.43 : 79,272.38 = 21,260.84 : x
  2. Step 2: Convert to fraction form
    52,861.43/79,272.38 = 21,260.84/x
  3. Step 3: Cross multiply
    52,861.43x = 79,272.38 × 21,260.84
  4. Step 4: Simplify right side
    52,861.43x = 1,685,397,044.39
  5. Step 5: Solve for x
    x = 1,685,397,044.39/52,861.43
  6. Step 6: Final answer
    x = 31,883.30

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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.