Home / 39,097.17-53,953.89-21,192.12

Finding the Fourth Proportional to 39,097.17, 53,953.89 and 21,192.12

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Solution

The fourth proportional to 39,097.17, 53,953.89 and 21,192.12 is: 29,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,097.17 : 53,953.89 = 21,192.12 : x
  2. Step 2: Convert to fraction form
    39,097.17/53,953.89 = 21,192.12/x
  3. Step 3: Cross multiply
    39,097.17x = 53,953.89 × 21,192.12
  4. Step 4: Simplify right side
    39,097.17x = 1,143,397,311.35
  5. Step 5: Solve for x
    x = 1,143,397,311.35/39,097.17
  6. Step 6: Final answer
    x = 29,245.01

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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.