Home / 31,740.12-47,595.25-11,735.79

Finding the Fourth Proportional to 31,740.12, 47,595.25 and 11,735.79

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Solution

The fourth proportional to 31,740.12, 47,595.25 and 11,735.79 is: 17,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740.12 : 47,595.25 = 11,735.79 : x
  2. Step 2: Convert to fraction form
    31,740.12/47,595.25 = 11,735.79/x
  3. Step 3: Cross multiply
    31,740.12x = 47,595.25 × 11,735.79
  4. Step 4: Simplify right side
    31,740.12x = 558,567,621.02
  5. Step 5: Solve for x
    x = 558,567,621.02/31,740.12
  6. Step 6: Final answer
    x = 17,598.16

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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.