Home / 37,682.74-52,002.84-20,688.57

Finding the Fourth Proportional to 37,682.74, 52,002.84 and 20,688.57

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Solution

The fourth proportional to 37,682.74, 52,002.84 and 20,688.57 is: 28,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,682.74 : 52,002.84 = 20,688.57 : x
  2. Step 2: Convert to fraction form
    37,682.74/52,002.84 = 20,688.57/x
  3. Step 3: Cross multiply
    37,682.74x = 52,002.84 × 20,688.57
  4. Step 4: Simplify right side
    37,682.74x = 1,075,864,032.08
  5. Step 5: Solve for x
    x = 1,075,864,032.08/37,682.74
  6. Step 6: Final answer
    x = 28,550.58

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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.