Home / 52,703.04-79,065.28-21,540.80

Finding the Fourth Proportional to 52,703.04, 79,065.28 and 21,540.80

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Solution

The fourth proportional to 52,703.04, 79,065.28 and 21,540.80 is: 32,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,703.04 : 79,065.28 = 21,540.80 : x
  2. Step 2: Convert to fraction form
    52,703.04/79,065.28 = 21,540.80/x
  3. Step 3: Cross multiply
    52,703.04x = 79,065.28 × 21,540.80
  4. Step 4: Simplify right side
    52,703.04x = 1,703,129,383.42
  5. Step 5: Solve for x
    x = 1,703,129,383.42/52,703.04
  6. Step 6: Final answer
    x = 32,315.58

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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.