Home / 39,222.96-54,050.40-38,732.64

Finding the Fourth Proportional to 39,222.96, 54,050.40 and 38,732.64

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Solution

The fourth proportional to 39,222.96, 54,050.40 and 38,732.64 is: 53,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,222.96 : 54,050.40 = 38,732.64 : x
  2. Step 2: Convert to fraction form
    39,222.96/54,050.40 = 38,732.64/x
  3. Step 3: Cross multiply
    39,222.96x = 54,050.40 × 38,732.64
  4. Step 4: Simplify right side
    39,222.96x = 2,093,514,685.06
  5. Step 5: Solve for x
    x = 2,093,514,685.06/39,222.96
  6. Step 6: Final answer
    x = 53,374.72

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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.