Home / 51,258.40-76,909.20-27,901.60

Finding the Fourth Proportional to 51,258.40, 76,909.20 and 27,901.60

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Solution

The fourth proportional to 51,258.40, 76,909.20 and 27,901.60 is: 41,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.40 : 76,909.20 = 27,901.60 : x
  2. Step 2: Convert to fraction form
    51,258.40/76,909.20 = 27,901.60/x
  3. Step 3: Cross multiply
    51,258.40x = 76,909.20 × 27,901.60
  4. Step 4: Simplify right side
    51,258.40x = 2,145,889,734.72
  5. Step 5: Solve for x
    x = 2,145,889,734.72/51,258.40
  6. Step 6: Final answer
    x = 41,864.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.