Home / 38,950.91-53,689.27-30,438.23

Finding the Fourth Proportional to 38,950.91, 53,689.27 and 30,438.23

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Solution

The fourth proportional to 38,950.91, 53,689.27 and 30,438.23 is: 41,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,950.91 : 53,689.27 = 30,438.23 : x
  2. Step 2: Convert to fraction form
    38,950.91/53,689.27 = 30,438.23/x
  3. Step 3: Cross multiply
    38,950.91x = 53,689.27 × 30,438.23
  4. Step 4: Simplify right side
    38,950.91x = 1,634,206,348.79
  5. Step 5: Solve for x
    x = 1,634,206,348.79/38,950.91
  6. Step 6: Final answer
    x = 41,955.54

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Double scale
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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.