Home / 31,825.62-47,737.98-9,639.45

Finding the Fourth Proportional to 31,825.62, 47,737.98 and 9,639.45

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Solution

The fourth proportional to 31,825.62, 47,737.98 and 9,639.45 is: 14,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,825.62 : 47,737.98 = 9,639.45 : x
  2. Step 2: Convert to fraction form
    31,825.62/47,737.98 = 9,639.45/x
  3. Step 3: Cross multiply
    31,825.62x = 47,737.98 × 9,639.45
  4. Step 4: Simplify right side
    31,825.62x = 460,167,871.31
  5. Step 5: Solve for x
    x = 460,167,871.31/31,825.62
  6. Step 6: Final answer
    x = 14,459.04

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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.