Home / 57,642.32-79,542.60-32,491.28

Finding the Fourth Proportional to 57,642.32, 79,542.60 and 32,491.28

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Solution

The fourth proportional to 57,642.32, 79,542.60 and 32,491.28 is: 44,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,642.32 : 79,542.60 = 32,491.28 : x
  2. Step 2: Convert to fraction form
    57,642.32/79,542.60 = 32,491.28/x
  3. Step 3: Cross multiply
    57,642.32x = 79,542.60 × 32,491.28
  4. Step 4: Simplify right side
    57,642.32x = 2,584,440,888.53
  5. Step 5: Solve for x
    x = 2,584,440,888.53/57,642.32
  6. Step 6: Final answer
    x = 44,835.82

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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.