Home / 29,678.60-44,517.80-12,148.45

Finding the Fourth Proportional to 29,678.60, 44,517.80 and 12,148.45

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Solution

The fourth proportional to 29,678.60, 44,517.80 and 12,148.45 is: 18,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,678.60 : 44,517.80 = 12,148.45 : x
  2. Step 2: Convert to fraction form
    29,678.60/44,517.80 = 12,148.45/x
  3. Step 3: Cross multiply
    29,678.60x = 44,517.80 × 12,148.45
  4. Step 4: Simplify right side
    29,678.60x = 540,822,186.49
  5. Step 5: Solve for x
    x = 540,822,186.49/29,678.60
  6. Step 6: Final answer
    x = 18,222.63

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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.