Home / 31,541.12-47,305.58-10,477.88

Finding the Fourth Proportional to 31,541.12, 47,305.58 and 10,477.88

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Solution

The fourth proportional to 31,541.12, 47,305.58 and 10,477.88 is: 15,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.12 : 47,305.58 = 10,477.88 : x
  2. Step 2: Convert to fraction form
    31,541.12/47,305.58 = 10,477.88/x
  3. Step 3: Cross multiply
    31,541.12x = 47,305.58 × 10,477.88
  4. Step 4: Simplify right side
    31,541.12x = 495,662,190.57
  5. Step 5: Solve for x
    x = 495,662,190.57/31,541.12
  6. Step 6: Final answer
    x = 15,714.79

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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.