Home / 43,042.39-64,583.06-21,971.55

Finding the Fourth Proportional to 43,042.39, 64,583.06 and 21,971.55

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Solution

The fourth proportional to 43,042.39, 64,583.06 and 21,971.55 is: 32,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042.39 : 64,583.06 = 21,971.55 : x
  2. Step 2: Convert to fraction form
    43,042.39/64,583.06 = 21,971.55/x
  3. Step 3: Cross multiply
    43,042.39x = 64,583.06 × 21,971.55
  4. Step 4: Simplify right side
    43,042.39x = 1,418,989,931.94
  5. Step 5: Solve for x
    x = 1,418,989,931.94/43,042.39
  6. Step 6: Final answer
    x = 32,967.27

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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.