Home / 37,739.68-52,080.24-20,972.32

Finding the Fourth Proportional to 37,739.68, 52,080.24 and 20,972.32

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Solution

The fourth proportional to 37,739.68, 52,080.24 and 20,972.32 is: 28,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,739.68 : 52,080.24 = 20,972.32 : x
  2. Step 2: Convert to fraction form
    37,739.68/52,080.24 = 20,972.32/x
  3. Step 3: Cross multiply
    37,739.68x = 52,080.24 × 20,972.32
  4. Step 4: Simplify right side
    37,739.68x = 1,092,243,458.96
  5. Step 5: Solve for x
    x = 1,092,243,458.96/37,739.68
  6. Step 6: Final answer
    x = 28,941.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.