Home / 47,994.12-66,264.68-31,039.40

Finding the Fourth Proportional to 47,994.12, 66,264.68 and 31,039.40

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Solution

The fourth proportional to 47,994.12, 66,264.68 and 31,039.40 is: 42,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,994.12 : 66,264.68 = 31,039.40 : x
  2. Step 2: Convert to fraction form
    47,994.12/66,264.68 = 31,039.40/x
  3. Step 3: Cross multiply
    47,994.12x = 66,264.68 × 31,039.40
  4. Step 4: Simplify right side
    47,994.12x = 2,056,816,151.65
  5. Step 5: Solve for x
    x = 2,056,816,151.65/47,994.12
  6. Step 6: Final answer
    x = 42,855.59

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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.