Home / 51,117.73-70,540.81-28,455.98

Finding the Fourth Proportional to 51,117.73, 70,540.81 and 28,455.98

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Solution

The fourth proportional to 51,117.73, 70,540.81 and 28,455.98 is: 39,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117.73 : 70,540.81 = 28,455.98 : x
  2. Step 2: Convert to fraction form
    51,117.73/70,540.81 = 28,455.98/x
  3. Step 3: Cross multiply
    51,117.73x = 70,540.81 × 28,455.98
  4. Step 4: Simplify right side
    51,117.73x = 2,007,307,454.70
  5. Step 5: Solve for x
    x = 2,007,307,454.70/51,117.73
  6. Step 6: Final answer
    x = 39,268.32

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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.