Home / 31,365.15-47,047.46-13,835.00

Finding the Fourth Proportional to 31,365.15, 47,047.46 and 13,835.00

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Solution

The fourth proportional to 31,365.15, 47,047.46 and 13,835.00 is: 20,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,365.15 : 47,047.46 = 13,835.00 : x
  2. Step 2: Convert to fraction form
    31,365.15/47,047.46 = 13,835.00/x
  3. Step 3: Cross multiply
    31,365.15x = 47,047.46 × 13,835.00
  4. Step 4: Simplify right side
    31,365.15x = 650,901,304.69
  5. Step 5: Solve for x
    x = 650,901,304.69/31,365.15
  6. Step 6: Final answer
    x = 20,752.37

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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.