Home / 31,455.73-47,212.76-15,884.29

Finding the Fourth Proportional to 31,455.73, 47,212.76 and 15,884.29

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Solution

The fourth proportional to 31,455.73, 47,212.76 and 15,884.29 is: 23,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.73 : 47,212.76 = 15,884.29 : x
  2. Step 2: Convert to fraction form
    31,455.73/47,212.76 = 15,884.29/x
  3. Step 3: Cross multiply
    31,455.73x = 47,212.76 × 15,884.29
  4. Step 4: Simplify right side
    31,455.73x = 749,941,171.54
  5. Step 5: Solve for x
    x = 749,941,171.54/31,455.73
  6. Step 6: Final answer
    x = 23,841.16

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1.5x scale

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.