Home / 31,774.40-47,669.56-9,587.28

Finding the Fourth Proportional to 31,774.40, 47,669.56 and 9,587.28

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Solution

The fourth proportional to 31,774.40, 47,669.56 and 9,587.28 is: 14,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.40 : 47,669.56 = 9,587.28 : x
  2. Step 2: Convert to fraction form
    31,774.40/47,669.56 = 9,587.28/x
  3. Step 3: Cross multiply
    31,774.40x = 47,669.56 × 9,587.28
  4. Step 4: Simplify right side
    31,774.40x = 457,021,419.20
  5. Step 5: Solve for x
    x = 457,021,419.20/31,774.40
  6. Step 6: Final answer
    x = 14,383.32

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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.