Home / 42,952.41-64,429.83-11,787.66

Finding the Fourth Proportional to 42,952.41, 64,429.83 and 11,787.66

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Solution

The fourth proportional to 42,952.41, 64,429.83 and 11,787.66 is: 17,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,952.41 : 64,429.83 = 11,787.66 : x
  2. Step 2: Convert to fraction form
    42,952.41/64,429.83 = 11,787.66/x
  3. Step 3: Cross multiply
    42,952.41x = 64,429.83 × 11,787.66
  4. Step 4: Simplify right side
    42,952.41x = 759,476,929.90
  5. Step 5: Solve for x
    x = 759,476,929.90/42,952.41
  6. Step 6: Final answer
    x = 17,681.82

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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.