Home / 51,258.32-76,900.28-14,322

Finding the Fourth Proportional to 51,258.32, 76,900.28 and 14,322

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Solution

The fourth proportional to 51,258.32, 76,900.28 and 14,322 is: 21,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.32 : 76,900.28 = 14,322 : x
  2. Step 2: Convert to fraction form
    51,258.32/76,900.28 = 14,322/x
  3. Step 3: Cross multiply
    51,258.32x = 76,900.28 × 14,322
  4. Step 4: Simplify right side
    51,258.32x = 1,101,365,810.16
  5. Step 5: Solve for x
    x = 1,101,365,810.16/51,258.32
  6. Step 6: Final answer
    x = 21,486.58

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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.