Home / 39,877.19-59,821.69-12,850.47

Finding the Fourth Proportional to 39,877.19, 59,821.69 and 12,850.47

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Solution

The fourth proportional to 39,877.19, 59,821.69 and 12,850.47 is: 19,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.19 : 59,821.69 = 12,850.47 : x
  2. Step 2: Convert to fraction form
    39,877.19/59,821.69 = 12,850.47/x
  3. Step 3: Cross multiply
    39,877.19x = 59,821.69 × 12,850.47
  4. Step 4: Simplify right side
    39,877.19x = 768,736,618.89
  5. Step 5: Solve for x
    x = 768,736,618.89/39,877.19
  6. Step 6: Final answer
    x = 19,277.60

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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.