Home / 39,737.06-54,838.13-21,833.22

Finding the Fourth Proportional to 39,737.06, 54,838.13 and 21,833.22

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Solution

The fourth proportional to 39,737.06, 54,838.13 and 21,833.22 is: 30,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,737.06 : 54,838.13 = 21,833.22 : x
  2. Step 2: Convert to fraction form
    39,737.06/54,838.13 = 21,833.22/x
  3. Step 3: Cross multiply
    39,737.06x = 54,838.13 × 21,833.22
  4. Step 4: Simplify right side
    39,737.06x = 1,197,292,847.51
  5. Step 5: Solve for x
    x = 1,197,292,847.51/39,737.06
  6. Step 6: Final answer
    x = 30,130.39

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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.