Home / 38,156.18-52,654.54-21,160.15

Finding the Fourth Proportional to 38,156.18, 52,654.54 and 21,160.15

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Solution

The fourth proportional to 38,156.18, 52,654.54 and 21,160.15 is: 29,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.18 : 52,654.54 = 21,160.15 : x
  2. Step 2: Convert to fraction form
    38,156.18/52,654.54 = 21,160.15/x
  3. Step 3: Cross multiply
    38,156.18x = 52,654.54 × 21,160.15
  4. Step 4: Simplify right side
    38,156.18x = 1,114,177,964.58
  5. Step 5: Solve for x
    x = 1,114,177,964.58/38,156.18
  6. Step 6: Final answer
    x = 29,200.46

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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.