Home / 37,777.91-52,134.77-20,784.11

Finding the Fourth Proportional to 37,777.91, 52,134.77 and 20,784.11

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Solution

The fourth proportional to 37,777.91, 52,134.77 and 20,784.11 is: 28,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,777.91 : 52,134.77 = 20,784.11 : x
  2. Step 2: Convert to fraction form
    37,777.91/52,134.77 = 20,784.11/x
  3. Step 3: Cross multiply
    37,777.91x = 52,134.77 × 20,784.11
  4. Step 4: Simplify right side
    37,777.91x = 1,083,574,585.79
  5. Step 5: Solve for x
    x = 1,083,574,585.79/37,777.91
  6. Step 6: Final answer
    x = 28,682.76

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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.