Home / 31,788.48-47,683.08-9,603.84

Finding the Fourth Proportional to 31,788.48, 47,683.08 and 9,603.84

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Solution

The fourth proportional to 31,788.48, 47,683.08 and 9,603.84 is: 14,405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.48 : 47,683.08 = 9,603.84 : x
  2. Step 2: Convert to fraction form
    31,788.48/47,683.08 = 9,603.84/x
  3. Step 3: Cross multiply
    31,788.48x = 47,683.08 × 9,603.84
  4. Step 4: Simplify right side
    31,788.48x = 457,940,671.03
  5. Step 5: Solve for x
    x = 457,940,671.03/31,788.48
  6. Step 6: Final answer
    x = 14,405.87

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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.