Home / 31,621.74-47,426.46-11,893.64

Finding the Fourth Proportional to 31,621.74, 47,426.46 and 11,893.64

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Solution

The fourth proportional to 31,621.74, 47,426.46 and 11,893.64 is: 17,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.74 : 47,426.46 = 11,893.64 : x
  2. Step 2: Convert to fraction form
    31,621.74/47,426.46 = 11,893.64/x
  3. Step 3: Cross multiply
    31,621.74x = 47,426.46 × 11,893.64
  4. Step 4: Simplify right side
    31,621.74x = 564,073,026.88
  5. Step 5: Solve for x
    x = 564,073,026.88/31,621.74
  6. Step 6: Final answer
    x = 17,838.14

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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.