Home / 31,555.80-47,333.70-9,372.60

Finding the Fourth Proportional to 31,555.80, 47,333.70 and 9,372.60

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Solution

The fourth proportional to 31,555.80, 47,333.70 and 9,372.60 is: 14,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.80 : 47,333.70 = 9,372.60 : x
  2. Step 2: Convert to fraction form
    31,555.80/47,333.70 = 9,372.60/x
  3. Step 3: Cross multiply
    31,555.80x = 47,333.70 × 9,372.60
  4. Step 4: Simplify right side
    31,555.80x = 443,639,836.62
  5. Step 5: Solve for x
    x = 443,639,836.62/31,555.80
  6. Step 6: Final answer
    x = 14,058.90

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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.