Home / 36,708.45-55,080.90-20,925.60

Finding the Fourth Proportional to 36,708.45, 55,080.90 and 20,925.60

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Solution

The fourth proportional to 36,708.45, 55,080.90 and 20,925.60 is: 31,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708.45 : 55,080.90 = 20,925.60 : x
  2. Step 2: Convert to fraction form
    36,708.45/55,080.90 = 20,925.60/x
  3. Step 3: Cross multiply
    36,708.45x = 55,080.90 × 20,925.60
  4. Step 4: Simplify right side
    36,708.45x = 1,152,600,881.04
  5. Step 5: Solve for x
    x = 1,152,600,881.04/36,708.45
  6. Step 6: Final answer
    x = 31,398.79

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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.