Home / 37,739.20-56,575.32-18,994.72

Finding the Fourth Proportional to 37,739.20, 56,575.32 and 18,994.72

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Solution

The fourth proportional to 37,739.20, 56,575.32 and 18,994.72 is: 28,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,739.20 : 56,575.32 = 18,994.72 : x
  2. Step 2: Convert to fraction form
    37,739.20/56,575.32 = 18,994.72/x
  3. Step 3: Cross multiply
    37,739.20x = 56,575.32 × 18,994.72
  4. Step 4: Simplify right side
    37,739.20x = 1,074,632,362.31
  5. Step 5: Solve for x
    x = 1,074,632,362.31/37,739.20
  6. Step 6: Final answer
    x = 28,475.23

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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.