Home / 31,518.48-47,282.58-9,335.28

Finding the Fourth Proportional to 31,518.48, 47,282.58 and 9,335.28

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Solution

The fourth proportional to 31,518.48, 47,282.58 and 9,335.28 is: 14,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.48 : 47,282.58 = 9,335.28 : x
  2. Step 2: Convert to fraction form
    31,518.48/47,282.58 = 9,335.28/x
  3. Step 3: Cross multiply
    31,518.48x = 47,282.58 × 9,335.28
  4. Step 4: Simplify right side
    31,518.48x = 441,396,123.42
  5. Step 5: Solve for x
    x = 441,396,123.42/31,518.48
  6. Step 6: Final answer
    x = 14,004.36

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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.