Home / 29,840.40-44,782.20-12,322.80

Finding the Fourth Proportional to 29,840.40, 44,782.20 and 12,322.80

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Solution

The fourth proportional to 29,840.40, 44,782.20 and 12,322.80 is: 18,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,840.40 : 44,782.20 = 12,322.80 : x
  2. Step 2: Convert to fraction form
    29,840.40/44,782.20 = 12,322.80/x
  3. Step 3: Cross multiply
    29,840.40x = 44,782.20 × 12,322.80
  4. Step 4: Simplify right side
    29,840.40x = 551,842,094.16
  5. Step 5: Solve for x
    x = 551,842,094.16/29,840.40
  6. Step 6: Final answer
    x = 18,493.12

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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.