Home / 39,077.01-53,926.41-21,171.96

Finding the Fourth Proportional to 39,077.01, 53,926.41 and 21,171.96

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Solution

The fourth proportional to 39,077.01, 53,926.41 and 21,171.96 is: 29,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.01 : 53,926.41 = 21,171.96 : x
  2. Step 2: Convert to fraction form
    39,077.01/53,926.41 = 21,171.96/x
  3. Step 3: Cross multiply
    39,077.01x = 53,926.41 × 21,171.96
  4. Step 4: Simplify right side
    39,077.01x = 1,141,727,795.46
  5. Step 5: Solve for x
    x = 1,141,727,795.46/39,077.01
  6. Step 6: Final answer
    x = 29,217.38

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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.