Home / 39,064.37-53,904.97-21,833.55

Finding the Fourth Proportional to 39,064.37, 53,904.97 and 21,833.55

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Solution

The fourth proportional to 39,064.37, 53,904.97 and 21,833.55 is: 30,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,064.37 : 53,904.97 = 21,833.55 : x
  2. Step 2: Convert to fraction form
    39,064.37/53,904.97 = 21,833.55/x
  3. Step 3: Cross multiply
    39,064.37x = 53,904.97 × 21,833.55
  4. Step 4: Simplify right side
    39,064.37x = 1,176,936,885.04
  5. Step 5: Solve for x
    x = 1,176,936,885.04/39,064.37
  6. Step 6: Final answer
    x = 30,128.15

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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.