Home / 38,076.88-52,545.80-21,310.16

Finding the Fourth Proportional to 38,076.88, 52,545.80 and 21,310.16

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Solution

The fourth proportional to 38,076.88, 52,545.80 and 21,310.16 is: 29,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.88 : 52,545.80 = 21,310.16 : x
  2. Step 2: Convert to fraction form
    38,076.88/52,545.80 = 21,310.16/x
  3. Step 3: Cross multiply
    38,076.88x = 52,545.80 × 21,310.16
  4. Step 4: Simplify right side
    38,076.88x = 1,119,759,405.33
  5. Step 5: Solve for x
    x = 1,119,759,405.33/38,076.88
  6. Step 6: Final answer
    x = 29,407.86

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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.