Home / 51,087.20-76,630.80-14,151.20

Finding the Fourth Proportional to 51,087.20, 76,630.80 and 14,151.20

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Solution

The fourth proportional to 51,087.20, 76,630.80 and 14,151.20 is: 21,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,087.20 : 76,630.80 = 14,151.20 : x
  2. Step 2: Convert to fraction form
    51,087.20/76,630.80 = 14,151.20/x
  3. Step 3: Cross multiply
    51,087.20x = 76,630.80 × 14,151.20
  4. Step 4: Simplify right side
    51,087.20x = 1,084,417,393.81
  5. Step 5: Solve for x
    x = 1,084,417,393.81/51,087.20
  6. Step 6: Final answer
    x = 21,226.79

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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.