Home / 57,664-79,508.16-40,671.04

Finding the Fourth Proportional to 57,664, 79,508.16 and 40,671.04

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Solution

The fourth proportional to 57,664, 79,508.16 and 40,671.04 is: 56,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664 : 79,508.16 = 40,671.04 : x
  2. Step 2: Convert to fraction form
    57,664/79,508.16 = 40,671.04/x
  3. Step 3: Cross multiply
    57,664x = 79,508.16 × 40,671.04
  4. Step 4: Simplify right side
    57,664x = 3,233,679,555.69
  5. Step 5: Solve for x
    x = 3,233,679,555.69/57,664
  6. Step 6: Final answer
    x = 56,077.96

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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.