Home / 38,639,256.30-57,958,884.45-20,723,352.30

Finding the Fourth Proportional to 38,639,256.30, 57,958,884.45 and 20,723,352.30

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Solution

The fourth proportional to 38,639,256.30, 57,958,884.45 and 20,723,352.30 is: 31,085,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,256.30 : 57,958,884.45 = 20,723,352.30 : x
  2. Step 2: Convert to fraction form
    38,639,256.30/57,958,884.45 = 20,723,352.30/x
  3. Step 3: Cross multiply
    38,639,256.30x = 57,958,884.45 × 20,723,352.30
  4. Step 4: Simplify right side
    38,639,256.30x = 1,201,102,381,372,341.75
  5. Step 5: Solve for x
    x = 1,201,102,381,372,341.75/38,639,256.30
  6. Step 6: Final answer
    x = 31,085,028.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.