Home / 39,097.68-53,955.12-21,192.66

Finding the Fourth Proportional to 39,097.68, 53,955.12 and 21,192.66

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Solution

The fourth proportional to 39,097.68, 53,955.12 and 21,192.66 is: 29,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,097.68 : 53,955.12 = 21,192.66 : x
  2. Step 2: Convert to fraction form
    39,097.68/53,955.12 = 21,192.66/x
  3. Step 3: Cross multiply
    39,097.68x = 53,955.12 × 21,192.66
  4. Step 4: Simplify right side
    39,097.68x = 1,143,452,513.42
  5. Step 5: Solve for x
    x = 1,143,452,513.42/39,097.68
  6. Step 6: Final answer
    x = 29,246.05

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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.