Home / 51,551.76-77,327.56-14,112.15

Finding the Fourth Proportional to 51,551.76, 77,327.56 and 14,112.15

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Solution

The fourth proportional to 51,551.76, 77,327.56 and 14,112.15 is: 21,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551.76 : 77,327.56 = 14,112.15 : x
  2. Step 2: Convert to fraction form
    51,551.76/77,327.56 = 14,112.15/x
  3. Step 3: Cross multiply
    51,551.76x = 77,327.56 × 14,112.15
  4. Step 4: Simplify right side
    51,551.76x = 1,091,258,125.85
  5. Step 5: Solve for x
    x = 1,091,258,125.85/51,551.76
  6. Step 6: Final answer
    x = 21,168.20

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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.