Home / 37,289.45-51,459.45-20,522.45

Finding the Fourth Proportional to 37,289.45, 51,459.45 and 20,522.45

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Solution

The fourth proportional to 37,289.45, 51,459.45 and 20,522.45 is: 28,320.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,289.45 : 51,459.45 = 20,522.45 : x
  2. Step 2: Convert to fraction form
    37,289.45/51,459.45 = 20,522.45/x
  3. Step 3: Cross multiply
    37,289.45x = 51,459.45 × 20,522.45
  4. Step 4: Simplify right side
    37,289.45x = 1,056,073,989.65
  5. Step 5: Solve for x
    x = 1,056,073,989.65/37,289.45
  6. Step 6: Final answer
    x = 28,320.99

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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.