Home / 31,822.40-47,784.60-25,302.80

Finding the Fourth Proportional to 31,822.40, 47,784.60 and 25,302.80

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Solution

The fourth proportional to 31,822.40, 47,784.60 and 25,302.80 is: 37,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.40 : 47,784.60 = 25,302.80 : x
  2. Step 2: Convert to fraction form
    31,822.40/47,784.60 = 25,302.80/x
  3. Step 3: Cross multiply
    31,822.40x = 47,784.60 × 25,302.80
  4. Step 4: Simplify right side
    31,822.40x = 1,209,084,176.88
  5. Step 5: Solve for x
    x = 1,209,084,176.88/31,822.40
  6. Step 6: Final answer
    x = 37,994.75

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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.