Home / 31,513.61-47,270.27-9,327.12

Finding the Fourth Proportional to 31,513.61, 47,270.27 and 9,327.12

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Solution

The fourth proportional to 31,513.61, 47,270.27 and 9,327.12 is: 13,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.61 : 47,270.27 = 9,327.12 : x
  2. Step 2: Convert to fraction form
    31,513.61/47,270.27 = 9,327.12/x
  3. Step 3: Cross multiply
    31,513.61x = 47,270.27 × 9,327.12
  4. Step 4: Simplify right side
    31,513.61x = 440,895,480.72
  5. Step 5: Solve for x
    x = 440,895,480.72/31,513.61
  6. Step 6: Final answer
    x = 13,990.64

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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.