Home / 39,094.28-53,950.19-21,189.28

Finding the Fourth Proportional to 39,094.28, 53,950.19 and 21,189.28

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Solution

The fourth proportional to 39,094.28, 53,950.19 and 21,189.28 is: 29,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,094.28 : 53,950.19 = 21,189.28 : x
  2. Step 2: Convert to fraction form
    39,094.28/53,950.19 = 21,189.28/x
  3. Step 3: Cross multiply
    39,094.28x = 53,950.19 × 21,189.28
  4. Step 4: Simplify right side
    39,094.28x = 1,143,165,681.96
  5. Step 5: Solve for x
    x = 1,143,165,681.96/39,094.28
  6. Step 6: Final answer
    x = 29,241.25

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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.