Home / 51,146.73-70,582.29-28,485.99

Finding the Fourth Proportional to 51,146.73, 70,582.29 and 28,485.99

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Solution

The fourth proportional to 51,146.73, 70,582.29 and 28,485.99 is: 39,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,146.73 : 70,582.29 = 28,485.99 : x
  2. Step 2: Convert to fraction form
    51,146.73/70,582.29 = 28,485.99/x
  3. Step 3: Cross multiply
    51,146.73x = 70,582.29 × 28,485.99
  4. Step 4: Simplify right side
    51,146.73x = 2,010,606,407.12
  5. Step 5: Solve for x
    x = 2,010,606,407.12/51,146.73
  6. Step 6: Final answer
    x = 39,310.56

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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.