Home / 36,701.80-55,052.70-31,781.05

Finding the Fourth Proportional to 36,701.80, 55,052.70 and 31,781.05

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Solution

The fourth proportional to 36,701.80, 55,052.70 and 31,781.05 is: 47,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.80 : 55,052.70 = 31,781.05 : x
  2. Step 2: Convert to fraction form
    36,701.80/55,052.70 = 31,781.05/x
  3. Step 3: Cross multiply
    36,701.80x = 55,052.70 × 31,781.05
  4. Step 4: Simplify right side
    36,701.80x = 1,749,632,611.34
  5. Step 5: Solve for x
    x = 1,749,632,611.34/36,701.80
  6. Step 6: Final answer
    x = 47,671.58

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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.