Home / 31,772.31-47,658.81-9,585.89

Finding the Fourth Proportional to 31,772.31, 47,658.81 and 9,585.89

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Solution

The fourth proportional to 31,772.31, 47,658.81 and 9,585.89 is: 14,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772.31 : 47,658.81 = 9,585.89 : x
  2. Step 2: Convert to fraction form
    31,772.31/47,658.81 = 9,585.89/x
  3. Step 3: Cross multiply
    31,772.31x = 47,658.81 × 9,585.89
  4. Step 4: Simplify right side
    31,772.31x = 456,851,871.90
  5. Step 5: Solve for x
    x = 456,851,871.90/31,772.31
  6. Step 6: Final answer
    x = 14,378.93

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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.