Home / 39,009.33-53,834.27-22,017.71

Finding the Fourth Proportional to 39,009.33, 53,834.27 and 22,017.71

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Solution

The fourth proportional to 39,009.33, 53,834.27 and 22,017.71 is: 30,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.33 : 53,834.27 = 22,017.71 : x
  2. Step 2: Convert to fraction form
    39,009.33/53,834.27 = 22,017.71/x
  3. Step 3: Cross multiply
    39,009.33x = 53,834.27 × 22,017.71
  4. Step 4: Simplify right side
    39,009.33x = 1,185,307,369.42
  5. Step 5: Solve for x
    x = 1,185,307,369.42/39,009.33
  6. Step 6: Final answer
    x = 30,385.22

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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.