Home / 21,035.04-31,551.04-5,452.16

Finding the Fourth Proportional to 21,035.04, 31,551.04 and 5,452.16

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Solution

The fourth proportional to 21,035.04, 31,551.04 and 5,452.16 is: 8,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.04 : 31,551.04 = 5,452.16 : x
  2. Step 2: Convert to fraction form
    21,035.04/31,551.04 = 5,452.16/x
  3. Step 3: Cross multiply
    21,035.04x = 31,551.04 × 5,452.16
  4. Step 4: Simplify right side
    21,035.04x = 172,021,318.25
  5. Step 5: Solve for x
    x = 172,021,318.25/21,035.04
  6. Step 6: Final answer
    x = 8,177.85

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1.5x scale

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.