Home / 39,045.36-53,868.60-22,268.64

Finding the Fourth Proportional to 39,045.36, 53,868.60 and 22,268.64

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Solution

The fourth proportional to 39,045.36, 53,868.60 and 22,268.64 is: 30,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.36 : 53,868.60 = 22,268.64 : x
  2. Step 2: Convert to fraction form
    39,045.36/53,868.60 = 22,268.64/x
  3. Step 3: Cross multiply
    39,045.36x = 53,868.60 × 22,268.64
  4. Step 4: Simplify right side
    39,045.36x = 1,199,580,460.70
  5. Step 5: Solve for x
    x = 1,199,580,460.70/39,045.36
  6. Step 6: Final answer
    x = 30,722.74

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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.