Home / 57,834.32-86,698.20-20,373.98

Finding the Fourth Proportional to 57,834.32, 86,698.20 and 20,373.98

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Solution

The fourth proportional to 57,834.32, 86,698.20 and 20,373.98 is: 30,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,834.32 : 86,698.20 = 20,373.98 : x
  2. Step 2: Convert to fraction form
    57,834.32/86,698.20 = 20,373.98/x
  3. Step 3: Cross multiply
    57,834.32x = 86,698.20 × 20,373.98
  4. Step 4: Simplify right side
    57,834.32x = 1,766,387,392.84
  5. Step 5: Solve for x
    x = 1,766,387,392.84/57,834.32
  6. Step 6: Final answer
    x = 30,542.20

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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.