Home / 40,377.30-60,528.69-21,670.44

Finding the Fourth Proportional to 40,377.30, 60,528.69 and 21,670.44

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Solution

The fourth proportional to 40,377.30, 60,528.69 and 21,670.44 is: 32,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377.30 : 60,528.69 = 21,670.44 : x
  2. Step 2: Convert to fraction form
    40,377.30/60,528.69 = 21,670.44/x
  3. Step 3: Cross multiply
    40,377.30x = 60,528.69 × 21,670.44
  4. Step 4: Simplify right side
    40,377.30x = 1,311,683,344.92
  5. Step 5: Solve for x
    x = 1,311,683,344.92/40,377.30
  6. Step 6: Final answer
    x = 32,485.66

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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.