Home / 31,708.32-47,562.48-8,334.72

Finding the Fourth Proportional to 31,708.32, 47,562.48 and 8,334.72

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Solution

The fourth proportional to 31,708.32, 47,562.48 and 8,334.72 is: 12,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.32 : 47,562.48 = 8,334.72 : x
  2. Step 2: Convert to fraction form
    31,708.32/47,562.48 = 8,334.72/x
  3. Step 3: Cross multiply
    31,708.32x = 47,562.48 × 8,334.72
  4. Step 4: Simplify right side
    31,708.32x = 396,419,953.31
  5. Step 5: Solve for x
    x = 396,419,953.31/31,708.32
  6. Step 6: Final answer
    x = 12,502.08

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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.