Home / 31,399.40-47,055.36-23,599.10

Finding the Fourth Proportional to 31,399.40, 47,055.36 and 23,599.10

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Solution

The fourth proportional to 31,399.40, 47,055.36 and 23,599.10 is: 35,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.40 : 47,055.36 = 23,599.10 : x
  2. Step 2: Convert to fraction form
    31,399.40/47,055.36 = 23,599.10/x
  3. Step 3: Cross multiply
    31,399.40x = 47,055.36 × 23,599.10
  4. Step 4: Simplify right side
    31,399.40x = 1,110,464,146.18
  5. Step 5: Solve for x
    x = 1,110,464,146.18/31,399.40
  6. Step 6: Final answer
    x = 35,365.78

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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.