Home / 38,376.65-52,963.67-21,383.66

Finding the Fourth Proportional to 38,376.65, 52,963.67 and 21,383.66

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Solution

The fourth proportional to 38,376.65, 52,963.67 and 21,383.66 is: 29,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.65 : 52,963.67 = 21,383.66 : x
  2. Step 2: Convert to fraction form
    38,376.65/52,963.67 = 21,383.66/x
  3. Step 3: Cross multiply
    38,376.65x = 52,963.67 × 21,383.66
  4. Step 4: Simplify right side
    38,376.65x = 1,132,557,297.50
  5. Step 5: Solve for x
    x = 1,132,557,297.50/38,376.65
  6. Step 6: Final answer
    x = 29,511.62

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1.5x scale

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.