Home / 38,253.40-52,787.70-21,258.64

Finding the Fourth Proportional to 38,253.40, 52,787.70 and 21,258.64

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Solution

The fourth proportional to 38,253.40, 52,787.70 and 21,258.64 is: 29,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.40 : 52,787.70 = 21,258.64 : x
  2. Step 2: Convert to fraction form
    38,253.40/52,787.70 = 21,258.64/x
  3. Step 3: Cross multiply
    38,253.40x = 52,787.70 × 21,258.64
  4. Step 4: Simplify right side
    38,253.40x = 1,122,194,710.73
  5. Step 5: Solve for x
    x = 1,122,194,710.73/38,253.40
  6. Step 6: Final answer
    x = 29,335.82

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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.