Home / 31,837.28-47,739.50-14,292.06

Finding the Fourth Proportional to 31,837.28, 47,739.50 and 14,292.06

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Solution

The fourth proportional to 31,837.28, 47,739.50 and 14,292.06 is: 21,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.28 : 47,739.50 = 14,292.06 : x
  2. Step 2: Convert to fraction form
    31,837.28/47,739.50 = 14,292.06/x
  3. Step 3: Cross multiply
    31,837.28x = 47,739.50 × 14,292.06
  4. Step 4: Simplify right side
    31,837.28x = 682,295,798.37
  5. Step 5: Solve for x
    x = 682,295,798.37/31,837.28
  6. Step 6: Final answer
    x = 21,430.72

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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.