Home / 31,445.60-47,161.04-11,724.64

Finding the Fourth Proportional to 31,445.60, 47,161.04 and 11,724.64

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Solution

The fourth proportional to 31,445.60, 47,161.04 and 11,724.64 is: 17,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.60 : 47,161.04 = 11,724.64 : x
  2. Step 2: Convert to fraction form
    31,445.60/47,161.04 = 11,724.64/x
  3. Step 3: Cross multiply
    31,445.60x = 47,161.04 × 11,724.64
  4. Step 4: Simplify right side
    31,445.60x = 552,946,216.03
  5. Step 5: Solve for x
    x = 552,946,216.03/31,445.60
  6. Step 6: Final answer
    x = 17,584.22

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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.