Home / 31,382.01-47,068.70-8,007.03

Finding the Fourth Proportional to 31,382.01, 47,068.70 and 8,007.03

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Solution

The fourth proportional to 31,382.01, 47,068.70 and 8,007.03 is: 12,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.01 : 47,068.70 = 8,007.03 : x
  2. Step 2: Convert to fraction form
    31,382.01/47,068.70 = 8,007.03/x
  3. Step 3: Cross multiply
    31,382.01x = 47,068.70 × 8,007.03
  4. Step 4: Simplify right side
    31,382.01x = 376,880,452.93
  5. Step 5: Solve for x
    x = 376,880,452.93/31,382.01
  6. Step 6: Final answer
    x = 12,009.44

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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.