Home / 37,739.46-56,617.20-12,778.32

Finding the Fourth Proportional to 37,739.46, 56,617.20 and 12,778.32

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Solution

The fourth proportional to 37,739.46, 56,617.20 and 12,778.32 is: 19,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,739.46 : 56,617.20 = 12,778.32 : x
  2. Step 2: Convert to fraction form
    37,739.46/56,617.20 = 12,778.32/x
  3. Step 3: Cross multiply
    37,739.46x = 56,617.20 × 12,778.32
  4. Step 4: Simplify right side
    37,739.46x = 723,472,699.10
  5. Step 5: Solve for x
    x = 723,472,699.10/37,739.46
  6. Step 6: Final answer
    x = 19,170.19

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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.