Home / 38,302.72-52,851.32-21,304.72

Finding the Fourth Proportional to 38,302.72, 52,851.32 and 21,304.72

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Solution

The fourth proportional to 38,302.72, 52,851.32 and 21,304.72 is: 29,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.72 : 52,851.32 = 21,304.72 : x
  2. Step 2: Convert to fraction form
    38,302.72/52,851.32 = 21,304.72/x
  3. Step 3: Cross multiply
    38,302.72x = 52,851.32 × 21,304.72
  4. Step 4: Simplify right side
    38,302.72x = 1,125,982,203.45
  5. Step 5: Solve for x
    x = 1,125,982,203.45/38,302.72
  6. Step 6: Final answer
    x = 29,396.93

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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.