Home / 52,709.40-79,064.10-21,537.36

Finding the Fourth Proportional to 52,709.40, 79,064.10 and 21,537.36

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Solution

The fourth proportional to 52,709.40, 79,064.10 and 21,537.36 is: 32,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,709.40 : 79,064.10 = 21,537.36 : x
  2. Step 2: Convert to fraction form
    52,709.40/79,064.10 = 21,537.36/x
  3. Step 3: Cross multiply
    52,709.40x = 79,064.10 × 21,537.36
  4. Step 4: Simplify right side
    52,709.40x = 1,702,831,984.78
  5. Step 5: Solve for x
    x = 1,702,831,984.78/52,709.40
  6. Step 6: Final answer
    x = 32,306.04

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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.