Home / 52,835.13-79,240.12-21,245.27

Finding the Fourth Proportional to 52,835.13, 79,240.12 and 21,245.27

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Solution

The fourth proportional to 52,835.13, 79,240.12 and 21,245.27 is: 31,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,835.13 : 79,240.12 = 21,245.27 : x
  2. Step 2: Convert to fraction form
    52,835.13/79,240.12 = 21,245.27/x
  3. Step 3: Cross multiply
    52,835.13x = 79,240.12 × 21,245.27
  4. Step 4: Simplify right side
    52,835.13x = 1,683,477,294.92
  5. Step 5: Solve for x
    x = 1,683,477,294.92/52,835.13
  6. Step 6: Final answer
    x = 31,862.84

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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.