Home / 39,947.48-55,130.04-22,957.16

Finding the Fourth Proportional to 39,947.48, 55,130.04 and 22,957.16

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Solution

The fourth proportional to 39,947.48, 55,130.04 and 22,957.16 is: 31,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.48 : 55,130.04 = 22,957.16 : x
  2. Step 2: Convert to fraction form
    39,947.48/55,130.04 = 22,957.16/x
  3. Step 3: Cross multiply
    39,947.48x = 55,130.04 × 22,957.16
  4. Step 4: Simplify right side
    39,947.48x = 1,265,629,149.09
  5. Step 5: Solve for x
    x = 1,265,629,149.09/39,947.48
  6. Step 6: Final answer
    x = 31,682.33

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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.