Home / 39,119.17-53,984.48-21,214.17

Finding the Fourth Proportional to 39,119.17, 53,984.48 and 21,214.17

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Solution

The fourth proportional to 39,119.17, 53,984.48 and 21,214.17 is: 29,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119.17 : 53,984.48 = 21,214.17 : x
  2. Step 2: Convert to fraction form
    39,119.17/53,984.48 = 21,214.17/x
  3. Step 3: Cross multiply
    39,119.17x = 53,984.48 × 21,214.17
  4. Step 4: Simplify right side
    39,119.17x = 1,145,235,560.09
  5. Step 5: Solve for x
    x = 1,145,235,560.09/39,119.17
  6. Step 6: Final answer
    x = 29,275.56

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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.