Home / 52,861.02-79,330.96-21,271.37

Finding the Fourth Proportional to 52,861.02, 79,330.96 and 21,271.37

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Solution

The fourth proportional to 52,861.02, 79,330.96 and 21,271.37 is: 31,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,861.02 : 79,330.96 = 21,271.37 : x
  2. Step 2: Convert to fraction form
    52,861.02/79,330.96 = 21,271.37/x
  3. Step 3: Cross multiply
    52,861.02x = 79,330.96 × 21,271.37
  4. Step 4: Simplify right side
    52,861.02x = 1,687,477,712.90
  5. Step 5: Solve for x
    x = 1,687,477,712.90/52,861.02
  6. Step 6: Final answer
    x = 31,922.91

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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.