Home / 37,390.68-51,599.84-20,395.53

Finding the Fourth Proportional to 37,390.68, 51,599.84 and 20,395.53

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Solution

The fourth proportional to 37,390.68, 51,599.84 and 20,395.53 is: 28,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,390.68 : 51,599.84 = 20,395.53 : x
  2. Step 2: Convert to fraction form
    37,390.68/51,599.84 = 20,395.53/x
  3. Step 3: Cross multiply
    37,390.68x = 51,599.84 × 20,395.53
  4. Step 4: Simplify right side
    37,390.68x = 1,052,405,916.92
  5. Step 5: Solve for x
    x = 1,052,405,916.92/37,390.68
  6. Step 6: Final answer
    x = 28,146.21

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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.