Home / 30,003.60-44,996.80-8,942.76

Finding the Fourth Proportional to 30,003.60, 44,996.80 and 8,942.76

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Solution

The fourth proportional to 30,003.60, 44,996.80 and 8,942.76 is: 13,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.60 : 44,996.80 = 8,942.76 : x
  2. Step 2: Convert to fraction form
    30,003.60/44,996.80 = 8,942.76/x
  3. Step 3: Cross multiply
    30,003.60x = 44,996.80 × 8,942.76
  4. Step 4: Simplify right side
    30,003.60x = 402,395,583.17
  5. Step 5: Solve for x
    x = 402,395,583.17/30,003.60
  6. Step 6: Final answer
    x = 13,411.58

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1.5x scale

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.