Home / 37,938.23-52,352.51-20,942.05

Finding the Fourth Proportional to 37,938.23, 52,352.51 and 20,942.05

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Solution

The fourth proportional to 37,938.23, 52,352.51 and 20,942.05 is: 28,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.23 : 52,352.51 = 20,942.05 : x
  2. Step 2: Convert to fraction form
    37,938.23/52,352.51 = 20,942.05/x
  3. Step 3: Cross multiply
    37,938.23x = 52,352.51 × 20,942.05
  4. Step 4: Simplify right side
    37,938.23x = 1,096,368,934.40
  5. Step 5: Solve for x
    x = 1,096,368,934.40/37,938.23
  6. Step 6: Final answer
    x = 28,898.79

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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.