Home / 47,546.65-65,574.51-30,553.66

Finding the Fourth Proportional to 47,546.65, 65,574.51 and 30,553.66

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Solution

The fourth proportional to 47,546.65, 65,574.51 and 30,553.66 is: 42,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,546.65 : 65,574.51 = 30,553.66 : x
  2. Step 2: Convert to fraction form
    47,546.65/65,574.51 = 30,553.66/x
  3. Step 3: Cross multiply
    47,546.65x = 65,574.51 × 30,553.66
  4. Step 4: Simplify right side
    47,546.65x = 2,003,541,283.21
  5. Step 5: Solve for x
    x = 2,003,541,283.21/47,546.65
  6. Step 6: Final answer
    x = 42,138.43

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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.