Home / 21,654.07-32,533.11-20,459.18

Finding the Fourth Proportional to 21,654.07, 32,533.11 and 20,459.18

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Solution

The fourth proportional to 21,654.07, 32,533.11 and 20,459.18 is: 30,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.07 : 32,533.11 = 20,459.18 : x
  2. Step 2: Convert to fraction form
    21,654.07/32,533.11 = 20,459.18/x
  3. Step 3: Cross multiply
    21,654.07x = 32,533.11 × 20,459.18
  4. Step 4: Simplify right side
    21,654.07x = 665,600,834.78
  5. Step 5: Solve for x
    x = 665,600,834.78/21,654.07
  6. Step 6: Final answer
    x = 30,737.91

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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.