Home / 37,289.28-51,459.18-20,522.28

Finding the Fourth Proportional to 37,289.28, 51,459.18 and 20,522.28

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Solution

The fourth proportional to 37,289.28, 51,459.18 and 20,522.28 is: 28,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,289.28 : 51,459.18 = 20,522.28 : x
  2. Step 2: Convert to fraction form
    37,289.28/51,459.18 = 20,522.28/x
  3. Step 3: Cross multiply
    37,289.28x = 51,459.18 × 20,522.28
  4. Step 4: Simplify right side
    37,289.28x = 1,056,059,700.53
  5. Step 5: Solve for x
    x = 1,056,059,700.53/37,289.28
  6. Step 6: Final answer
    x = 28,320.73

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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.