Home / 51,772.49-71,428.85-42,195.91

Finding the Fourth Proportional to 51,772.49, 71,428.85 and 42,195.91

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Solution

The fourth proportional to 51,772.49, 71,428.85 and 42,195.91 is: 58,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,772.49 : 71,428.85 = 42,195.91 : x
  2. Step 2: Convert to fraction form
    51,772.49/71,428.85 = 42,195.91/x
  3. Step 3: Cross multiply
    51,772.49x = 71,428.85 × 42,195.91
  4. Step 4: Simplify right side
    51,772.49x = 3,014,005,326.00
  5. Step 5: Solve for x
    x = 3,014,005,326.00/51,772.49
  6. Step 6: Final answer
    x = 58,216.35

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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.