Home / 38,261.18-52,800.72-21,265.76

Finding the Fourth Proportional to 38,261.18, 52,800.72 and 21,265.76

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Solution

The fourth proportional to 38,261.18, 52,800.72 and 21,265.76 is: 29,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,261.18 : 52,800.72 = 21,265.76 : x
  2. Step 2: Convert to fraction form
    38,261.18/52,800.72 = 21,265.76/x
  3. Step 3: Cross multiply
    38,261.18x = 52,800.72 × 21,265.76
  4. Step 4: Simplify right side
    38,261.18x = 1,122,847,439.35
  5. Step 5: Solve for x
    x = 1,122,847,439.35/38,261.18
  6. Step 6: Final answer
    x = 29,346.91

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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.