Home / 39,005.35-53,827.40-22,013.21

Finding the Fourth Proportional to 39,005.35, 53,827.40 and 22,013.21

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Solution

The fourth proportional to 39,005.35, 53,827.40 and 22,013.21 is: 30,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,005.35 : 53,827.40 = 22,013.21 : x
  2. Step 2: Convert to fraction form
    39,005.35/53,827.40 = 22,013.21/x
  3. Step 3: Cross multiply
    39,005.35x = 53,827.40 × 22,013.21
  4. Step 4: Simplify right side
    39,005.35x = 1,184,914,049.56
  5. Step 5: Solve for x
    x = 1,184,914,049.56/39,005.35
  6. Step 6: Final answer
    x = 30,378.25

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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.