Home / 59,310.09-88,942.78-19,318.63

Finding the Fourth Proportional to 59,310.09, 88,942.78 and 19,318.63

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Solution

The fourth proportional to 59,310.09, 88,942.78 and 19,318.63 is: 28,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,310.09 : 88,942.78 = 19,318.63 : x
  2. Step 2: Convert to fraction form
    59,310.09/88,942.78 = 19,318.63/x
  3. Step 3: Cross multiply
    59,310.09x = 88,942.78 × 19,318.63
  4. Step 4: Simplify right side
    59,310.09x = 1,718,252,657.99
  5. Step 5: Solve for x
    x = 1,718,252,657.99/59,310.09
  6. Step 6: Final answer
    x = 28,970.66

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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.