Home / 40,466.20-60,699.30-21,803.80

Finding the Fourth Proportional to 40,466.20, 60,699.30 and 21,803.80

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Solution

The fourth proportional to 40,466.20, 60,699.30 and 21,803.80 is: 32,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,466.20 : 60,699.30 = 21,803.80 : x
  2. Step 2: Convert to fraction form
    40,466.20/60,699.30 = 21,803.80/x
  3. Step 3: Cross multiply
    40,466.20x = 60,699.30 × 21,803.80
  4. Step 4: Simplify right side
    40,466.20x = 1,323,475,397.34
  5. Step 5: Solve for x
    x = 1,323,475,397.34/40,466.20
  6. Step 6: Final answer
    x = 32,705.70

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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.