Home / 37,397.12-51,607.86-20,401.10

Finding the Fourth Proportional to 37,397.12, 51,607.86 and 20,401.10

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Solution

The fourth proportional to 37,397.12, 51,607.86 and 20,401.10 is: 28,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,397.12 : 51,607.86 = 20,401.10 : x
  2. Step 2: Convert to fraction form
    37,397.12/51,607.86 = 20,401.10/x
  3. Step 3: Cross multiply
    37,397.12x = 51,607.86 × 20,401.10
  4. Step 4: Simplify right side
    37,397.12x = 1,052,857,112.65
  5. Step 5: Solve for x
    x = 1,052,857,112.65/37,397.12
  6. Step 6: Final answer
    x = 28,153.43

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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.