Home / 31,481.37-47,210.85-10,417.50

Finding the Fourth Proportional to 31,481.37, 47,210.85 and 10,417.50

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Solution

The fourth proportional to 31,481.37, 47,210.85 and 10,417.50 is: 15,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.37 : 47,210.85 = 10,417.50 : x
  2. Step 2: Convert to fraction form
    31,481.37/47,210.85 = 10,417.50/x
  3. Step 3: Cross multiply
    31,481.37x = 47,210.85 × 10,417.50
  4. Step 4: Simplify right side
    31,481.37x = 491,819,029.88
  5. Step 5: Solve for x
    x = 491,819,029.88/31,481.37
  6. Step 6: Final answer
    x = 15,622.54

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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.