Home / 38,716.13-53,438.70-25,287.09

Finding the Fourth Proportional to 38,716.13, 53,438.70 and 25,287.09

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Solution

The fourth proportional to 38,716.13, 53,438.70 and 25,287.09 is: 34,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,716.13 : 53,438.70 = 25,287.09 : x
  2. Step 2: Convert to fraction form
    38,716.13/53,438.70 = 25,287.09/x
  3. Step 3: Cross multiply
    38,716.13x = 53,438.70 × 25,287.09
  4. Step 4: Simplify right side
    38,716.13x = 1,351,309,216.38
  5. Step 5: Solve for x
    x = 1,351,309,216.38/38,716.13
  6. Step 6: Final answer
    x = 34,903.01

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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.