Home / 31,618.18-47,426.73-9,431.62

Finding the Fourth Proportional to 31,618.18, 47,426.73 and 9,431.62

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Solution

The fourth proportional to 31,618.18, 47,426.73 and 9,431.62 is: 14,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.18 : 47,426.73 = 9,431.62 : x
  2. Step 2: Convert to fraction form
    31,618.18/47,426.73 = 9,431.62/x
  3. Step 3: Cross multiply
    31,618.18x = 47,426.73 × 9,431.62
  4. Step 4: Simplify right side
    31,618.18x = 447,310,895.20
  5. Step 5: Solve for x
    x = 447,310,895.20/31,618.18
  6. Step 6: Final answer
    x = 14,147.27

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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.