Home / 56,815.36-78,411.92-34,165.94

Finding the Fourth Proportional to 56,815.36, 78,411.92 and 34,165.94

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Solution

The fourth proportional to 56,815.36, 78,411.92 and 34,165.94 is: 47,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,815.36 : 78,411.92 = 34,165.94 : x
  2. Step 2: Convert to fraction form
    56,815.36/78,411.92 = 34,165.94/x
  3. Step 3: Cross multiply
    56,815.36x = 78,411.92 × 34,165.94
  4. Step 4: Simplify right side
    56,815.36x = 2,679,016,391.12
  5. Step 5: Solve for x
    x = 2,679,016,391.12/56,815.36
  6. Step 6: Final answer
    x = 47,153.03

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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.