Home / 31,758.28-47,639.22-9,574.72

Finding the Fourth Proportional to 31,758.28, 47,639.22 and 9,574.72

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Solution

The fourth proportional to 31,758.28, 47,639.22 and 9,574.72 is: 14,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.28 : 47,639.22 = 9,574.72 : x
  2. Step 2: Convert to fraction form
    31,758.28/47,639.22 = 9,574.72/x
  3. Step 3: Cross multiply
    31,758.28x = 47,639.22 × 9,574.72
  4. Step 4: Simplify right side
    31,758.28x = 456,132,192.52
  5. Step 5: Solve for x
    x = 456,132,192.52/31,758.28
  6. Step 6: Final answer
    x = 14,362.62

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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.