Home / 37,337.50-51,525.75-20,570.86

Finding the Fourth Proportional to 37,337.50, 51,525.75 and 20,570.86

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Solution

The fourth proportional to 37,337.50, 51,525.75 and 20,570.86 is: 28,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,337.50 : 51,525.75 = 20,570.86 : x
  2. Step 2: Convert to fraction form
    37,337.50/51,525.75 = 20,570.86/x
  3. Step 3: Cross multiply
    37,337.50x = 51,525.75 × 20,570.86
  4. Step 4: Simplify right side
    37,337.50x = 1,059,928,989.65
  5. Step 5: Solve for x
    x = 1,059,928,989.65/37,337.50
  6. Step 6: Final answer
    x = 28,387.79

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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.