Home / 31,504.28-47,265.65-9,318.23

Finding the Fourth Proportional to 31,504.28, 47,265.65 and 9,318.23

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Solution

The fourth proportional to 31,504.28, 47,265.65 and 9,318.23 is: 13,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.28 : 47,265.65 = 9,318.23 : x
  2. Step 2: Convert to fraction form
    31,504.28/47,265.65 = 9,318.23/x
  3. Step 3: Cross multiply
    31,504.28x = 47,265.65 × 9,318.23
  4. Step 4: Simplify right side
    31,504.28x = 440,432,197.80
  5. Step 5: Solve for x
    x = 440,432,197.80/31,504.28
  6. Step 6: Final answer
    x = 13,980.08

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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.