Home / 37,760.12-56,604.80-12,782.68

Finding the Fourth Proportional to 37,760.12, 56,604.80 and 12,782.68

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Solution

The fourth proportional to 37,760.12, 56,604.80 and 12,782.68 is: 19,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,760.12 : 56,604.80 = 12,782.68 : x
  2. Step 2: Convert to fraction form
    37,760.12/56,604.80 = 12,782.68/x
  3. Step 3: Cross multiply
    37,760.12x = 56,604.80 × 12,782.68
  4. Step 4: Simplify right side
    37,760.12x = 723,561,044.86
  5. Step 5: Solve for x
    x = 723,561,044.86/37,760.12
  6. Step 6: Final answer
    x = 19,162.04

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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.