Home / 31,370.39-47,056.90-9,183.78

Finding the Fourth Proportional to 31,370.39, 47,056.90 and 9,183.78

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Solution

The fourth proportional to 31,370.39, 47,056.90 and 9,183.78 is: 13,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.39 : 47,056.90 = 9,183.78 : x
  2. Step 2: Convert to fraction form
    31,370.39/47,056.90 = 9,183.78/x
  3. Step 3: Cross multiply
    31,370.39x = 47,056.90 × 9,183.78
  4. Step 4: Simplify right side
    31,370.39x = 432,160,211.34
  5. Step 5: Solve for x
    x = 432,160,211.34/31,370.39
  6. Step 6: Final answer
    x = 13,776.06

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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.