Home / 47,908.73-71,854.90-12,840.19

Finding the Fourth Proportional to 47,908.73, 71,854.90 and 12,840.19

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Solution

The fourth proportional to 47,908.73, 71,854.90 and 12,840.19 is: 19,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908.73 : 71,854.90 = 12,840.19 : x
  2. Step 2: Convert to fraction form
    47,908.73/71,854.90 = 12,840.19/x
  3. Step 3: Cross multiply
    47,908.73x = 71,854.90 × 12,840.19
  4. Step 4: Simplify right side
    47,908.73x = 922,630,356.69
  5. Step 5: Solve for x
    x = 922,630,356.69/47,908.73
  6. Step 6: Final answer
    x = 19,258.08

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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.