Home / 31,458.98-47,196.64-11,737.69

Finding the Fourth Proportional to 31,458.98, 47,196.64 and 11,737.69

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Solution

The fourth proportional to 31,458.98, 47,196.64 and 11,737.69 is: 17,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458.98 : 47,196.64 = 11,737.69 : x
  2. Step 2: Convert to fraction form
    31,458.98/47,196.64 = 11,737.69/x
  3. Step 3: Cross multiply
    31,458.98x = 47,196.64 × 11,737.69
  4. Step 4: Simplify right side
    31,458.98x = 553,979,426.04
  5. Step 5: Solve for x
    x = 553,979,426.04/31,458.98
  6. Step 6: Final answer
    x = 17,609.58

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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.