Home / 39,732.42-54,830.51-21,827.04

Finding the Fourth Proportional to 39,732.42, 54,830.51 and 21,827.04

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Solution

The fourth proportional to 39,732.42, 54,830.51 and 21,827.04 is: 30,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,732.42 : 54,830.51 = 21,827.04 : x
  2. Step 2: Convert to fraction form
    39,732.42/54,830.51 = 21,827.04/x
  3. Step 3: Cross multiply
    39,732.42x = 54,830.51 × 21,827.04
  4. Step 4: Simplify right side
    39,732.42x = 1,196,787,656.12
  5. Step 5: Solve for x
    x = 1,196,787,656.12/39,732.42
  6. Step 6: Final answer
    x = 30,121.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.