Home / 31,475.88-47,168.46-18,148.34

Finding the Fourth Proportional to 31,475.88, 47,168.46 and 18,148.34

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Solution

The fourth proportional to 31,475.88, 47,168.46 and 18,148.34 is: 27,196.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.88 : 47,168.46 = 18,148.34 : x
  2. Step 2: Convert to fraction form
    31,475.88/47,168.46 = 18,148.34/x
  3. Step 3: Cross multiply
    31,475.88x = 47,168.46 × 18,148.34
  4. Step 4: Simplify right side
    31,475.88x = 856,029,377.51
  5. Step 5: Solve for x
    x = 856,029,377.51/31,475.88
  6. Step 6: Final answer
    x = 27,196.36

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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.