Home / 51,258.75-76,901.10-14,322.75

Finding the Fourth Proportional to 51,258.75, 76,901.10 and 14,322.75

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Solution

The fourth proportional to 51,258.75, 76,901.10 and 14,322.75 is: 21,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.75 : 76,901.10 = 14,322.75 : x
  2. Step 2: Convert to fraction form
    51,258.75/76,901.10 = 14,322.75/x
  3. Step 3: Cross multiply
    51,258.75x = 76,901.10 × 14,322.75
  4. Step 4: Simplify right side
    51,258.75x = 1,101,435,230.03
  5. Step 5: Solve for x
    x = 1,101,435,230.03/51,258.75
  6. Step 6: Final answer
    x = 21,487.75

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1.5x scale

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.