Home / 47,555.83-71,285.14-30,949.21

Finding the Fourth Proportional to 47,555.83, 71,285.14 and 30,949.21

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Solution

The fourth proportional to 47,555.83, 71,285.14 and 30,949.21 is: 46,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,555.83 : 71,285.14 = 30,949.21 : x
  2. Step 2: Convert to fraction form
    47,555.83/71,285.14 = 30,949.21/x
  3. Step 3: Cross multiply
    47,555.83x = 71,285.14 × 30,949.21
  4. Step 4: Simplify right side
    47,555.83x = 2,206,218,767.74
  5. Step 5: Solve for x
    x = 2,206,218,767.74/47,555.83
  6. Step 6: Final answer
    x = 46,392.18

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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.