Home / 39,441.17-54,428.54-21,536.16

Finding the Fourth Proportional to 39,441.17, 54,428.54 and 21,536.16

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Solution

The fourth proportional to 39,441.17, 54,428.54 and 21,536.16 is: 29,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,441.17 : 54,428.54 = 21,536.16 : x
  2. Step 2: Convert to fraction form
    39,441.17/54,428.54 = 21,536.16/x
  3. Step 3: Cross multiply
    39,441.17x = 54,428.54 × 21,536.16
  4. Step 4: Simplify right side
    39,441.17x = 1,172,181,638.33
  5. Step 5: Solve for x
    x = 1,172,181,638.33/39,441.17
  6. Step 6: Final answer
    x = 29,719.75

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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.