Home / 34,731.08-47,928.66-18,815.16

Finding the Fourth Proportional to 34,731.08, 47,928.66 and 18,815.16

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Solution

The fourth proportional to 34,731.08, 47,928.66 and 18,815.16 is: 25,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,731.08 : 47,928.66 = 18,815.16 : x
  2. Step 2: Convert to fraction form
    34,731.08/47,928.66 = 18,815.16/x
  3. Step 3: Cross multiply
    34,731.08x = 47,928.66 × 18,815.16
  4. Step 4: Simplify right side
    34,731.08x = 901,785,406.49
  5. Step 5: Solve for x
    x = 901,785,406.49/34,731.08
  6. Step 6: Final answer
    x = 25,964.80

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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.