Home / 39,888.27-55,036.14-22,656.80

Finding the Fourth Proportional to 39,888.27, 55,036.14 and 22,656.80

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Solution

The fourth proportional to 39,888.27, 55,036.14 and 22,656.80 is: 31,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888.27 : 55,036.14 = 22,656.80 : x
  2. Step 2: Convert to fraction form
    39,888.27/55,036.14 = 22,656.80/x
  3. Step 3: Cross multiply
    39,888.27x = 55,036.14 × 22,656.80
  4. Step 4: Simplify right side
    39,888.27x = 1,246,942,816.75
  5. Step 5: Solve for x
    x = 1,246,942,816.75/39,888.27
  6. Step 6: Final answer
    x = 31,260.89

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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.