Home / 31,935.13-47,909.74-9,750.25

Finding the Fourth Proportional to 31,935.13, 47,909.74 and 9,750.25

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Solution

The fourth proportional to 31,935.13, 47,909.74 and 9,750.25 is: 14,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.13 : 47,909.74 = 9,750.25 : x
  2. Step 2: Convert to fraction form
    31,935.13/47,909.74 = 9,750.25/x
  3. Step 3: Cross multiply
    31,935.13x = 47,909.74 × 9,750.25
  4. Step 4: Simplify right side
    31,935.13x = 467,131,699.31
  5. Step 5: Solve for x
    x = 467,131,699.31/31,935.13
  6. Step 6: Final answer
    x = 14,627.52

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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.