Home / 43,081.44-64,622.80-28,384.48

Finding the Fourth Proportional to 43,081.44, 64,622.80 and 28,384.48

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Solution

The fourth proportional to 43,081.44, 64,622.80 and 28,384.48 is: 42,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081.44 : 64,622.80 = 28,384.48 : x
  2. Step 2: Convert to fraction form
    43,081.44/64,622.80 = 28,384.48/x
  3. Step 3: Cross multiply
    43,081.44x = 64,622.80 × 28,384.48
  4. Step 4: Simplify right side
    43,081.44x = 1,834,284,574.14
  5. Step 5: Solve for x
    x = 1,834,284,574.14/43,081.44
  6. Step 6: Final answer
    x = 42,577.14

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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.