Home / 37,938.68-52,355.09-20,942.93

Finding the Fourth Proportional to 37,938.68, 52,355.09 and 20,942.93

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Solution

The fourth proportional to 37,938.68, 52,355.09 and 20,942.93 is: 28,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.68 : 52,355.09 = 20,942.93 : x
  2. Step 2: Convert to fraction form
    37,938.68/52,355.09 = 20,942.93/x
  3. Step 3: Cross multiply
    37,938.68x = 52,355.09 × 20,942.93
  4. Step 4: Simplify right side
    37,938.68x = 1,096,468,618.52
  5. Step 5: Solve for x
    x = 1,096,468,618.52/37,938.68
  6. Step 6: Final answer
    x = 28,901.08

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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.