Home / 39,097.80-53,955.18-21,192.66

Finding the Fourth Proportional to 39,097.80, 53,955.18 and 21,192.66

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Solution

The fourth proportional to 39,097.80, 53,955.18 and 21,192.66 is: 29,245.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,097.80 : 53,955.18 = 21,192.66 : x
  2. Step 2: Convert to fraction form
    39,097.80/53,955.18 = 21,192.66/x
  3. Step 3: Cross multiply
    39,097.80x = 53,955.18 × 21,192.66
  4. Step 4: Simplify right side
    39,097.80x = 1,143,453,784.98
  5. Step 5: Solve for x
    x = 1,143,453,784.98/39,097.80
  6. Step 6: Final answer
    x = 29,245.99

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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.