Home / 51,215.48-76,857.95-17,935.82

Finding the Fourth Proportional to 51,215.48, 76,857.95 and 17,935.82

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Solution

The fourth proportional to 51,215.48, 76,857.95 and 17,935.82 is: 26,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.48 : 76,857.95 = 17,935.82 : x
  2. Step 2: Convert to fraction form
    51,215.48/76,857.95 = 17,935.82/x
  3. Step 3: Cross multiply
    51,215.48x = 76,857.95 × 17,935.82
  4. Step 4: Simplify right side
    51,215.48x = 1,378,510,356.77
  5. Step 5: Solve for x
    x = 1,378,510,356.77/51,215.48
  6. Step 6: Final answer
    x = 26,915.89

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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.