Home / 31,780.48-47,671.06-9,594.04

Finding the Fourth Proportional to 31,780.48, 47,671.06 and 9,594.04

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Solution

The fourth proportional to 31,780.48, 47,671.06 and 9,594.04 is: 14,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,780.48 : 47,671.06 = 9,594.04 : x
  2. Step 2: Convert to fraction form
    31,780.48/47,671.06 = 9,594.04/x
  3. Step 3: Cross multiply
    31,780.48x = 47,671.06 × 9,594.04
  4. Step 4: Simplify right side
    31,780.48x = 457,358,056.48
  5. Step 5: Solve for x
    x = 457,358,056.48/31,780.48
  6. Step 6: Final answer
    x = 14,391.16

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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.