Home / 38,273.36-52,818.12-21,506.64

Finding the Fourth Proportional to 38,273.36, 52,818.12 and 21,506.64

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Solution

The fourth proportional to 38,273.36, 52,818.12 and 21,506.64 is: 29,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,273.36 : 52,818.12 = 21,506.64 : x
  2. Step 2: Convert to fraction form
    38,273.36/52,818.12 = 21,506.64/x
  3. Step 3: Cross multiply
    38,273.36x = 52,818.12 × 21,506.64
  4. Step 4: Simplify right side
    38,273.36x = 1,135,940,292.32
  5. Step 5: Solve for x
    x = 1,135,940,292.32/38,273.36
  6. Step 6: Final answer
    x = 29,679.66

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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.