Home / 38,931.41-58,399.28-10,851.48

Finding the Fourth Proportional to 38,931.41, 58,399.28 and 10,851.48

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Solution

The fourth proportional to 38,931.41, 58,399.28 and 10,851.48 is: 16,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,931.41 : 58,399.28 = 10,851.48 : x
  2. Step 2: Convert to fraction form
    38,931.41/58,399.28 = 10,851.48/x
  3. Step 3: Cross multiply
    38,931.41x = 58,399.28 × 10,851.48
  4. Step 4: Simplify right side
    38,931.41x = 633,718,618.93
  5. Step 5: Solve for x
    x = 633,718,618.93/38,931.41
  6. Step 6: Final answer
    x = 16,277.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.