Home / 52,861.27-79,331.33-21,271.62

Finding the Fourth Proportional to 52,861.27, 79,331.33 and 21,271.62

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Solution

The fourth proportional to 52,861.27, 79,331.33 and 21,271.62 is: 31,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,861.27 : 79,331.33 = 21,271.62 : x
  2. Step 2: Convert to fraction form
    52,861.27/79,331.33 = 21,271.62/x
  3. Step 3: Cross multiply
    52,861.27x = 79,331.33 × 21,271.62
  4. Step 4: Simplify right side
    52,861.27x = 1,687,505,509.20
  5. Step 5: Solve for x
    x = 1,687,505,509.20/52,861.27
  6. Step 6: Final answer
    x = 31,923.29

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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.