Home / 49,782.93-74,671.95-18,615.75

Finding the Fourth Proportional to 49,782.93, 74,671.95 and 18,615.75

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Solution

The fourth proportional to 49,782.93, 74,671.95 and 18,615.75 is: 27,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,782.93 : 74,671.95 = 18,615.75 : x
  2. Step 2: Convert to fraction form
    49,782.93/74,671.95 = 18,615.75/x
  3. Step 3: Cross multiply
    49,782.93x = 74,671.95 × 18,615.75
  4. Step 4: Simplify right side
    49,782.93x = 1,390,074,353.21
  5. Step 5: Solve for x
    x = 1,390,074,353.21/49,782.93
  6. Step 6: Final answer
    x = 27,922.71

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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.