Home / 31,416.64-47,124.30-9,229.48

Finding the Fourth Proportional to 31,416.64, 47,124.30 and 9,229.48

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Solution

The fourth proportional to 31,416.64, 47,124.30 and 9,229.48 is: 13,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.64 : 47,124.30 = 9,229.48 : x
  2. Step 2: Convert to fraction form
    31,416.64/47,124.30 = 9,229.48/x
  3. Step 3: Cross multiply
    31,416.64x = 47,124.30 × 9,229.48
  4. Step 4: Simplify right side
    31,416.64x = 434,932,784.36
  5. Step 5: Solve for x
    x = 434,932,784.36/31,416.64
  6. Step 6: Final answer
    x = 13,844.03

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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.