Home / 60,670.26-91,005.39-19,120.50

Finding the Fourth Proportional to 60,670.26, 91,005.39 and 19,120.50

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Solution

The fourth proportional to 60,670.26, 91,005.39 and 19,120.50 is: 28,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,670.26 : 91,005.39 = 19,120.50 : x
  2. Step 2: Convert to fraction form
    60,670.26/91,005.39 = 19,120.50/x
  3. Step 3: Cross multiply
    60,670.26x = 91,005.39 × 19,120.50
  4. Step 4: Simplify right side
    60,670.26x = 1,740,068,559.50
  5. Step 5: Solve for x
    x = 1,740,068,559.50/60,670.26
  6. Step 6: Final answer
    x = 28,680.75

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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.