Home / 31,580.22-47,360.46-10,515.34

Finding the Fourth Proportional to 31,580.22, 47,360.46 and 10,515.34

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Solution

The fourth proportional to 31,580.22, 47,360.46 and 10,515.34 is: 15,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.22 : 47,360.46 = 10,515.34 : x
  2. Step 2: Convert to fraction form
    31,580.22/47,360.46 = 10,515.34/x
  3. Step 3: Cross multiply
    31,580.22x = 47,360.46 × 10,515.34
  4. Step 4: Simplify right side
    31,580.22x = 498,011,339.46
  5. Step 5: Solve for x
    x = 498,011,339.46/31,580.22
  6. Step 6: Final answer
    x = 15,769.72

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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.