Home / 42,914.33-64,380.77-17,613.90

Finding the Fourth Proportional to 42,914.33, 64,380.77 and 17,613.90

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Solution

The fourth proportional to 42,914.33, 64,380.77 and 17,613.90 is: 26,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,914.33 : 64,380.77 = 17,613.90 : x
  2. Step 2: Convert to fraction form
    42,914.33/64,380.77 = 17,613.90/x
  3. Step 3: Cross multiply
    42,914.33x = 64,380.77 × 17,613.90
  4. Step 4: Simplify right side
    42,914.33x = 1,133,996,356.63
  5. Step 5: Solve for x
    x = 1,133,996,356.63/42,914.33
  6. Step 6: Final answer
    x = 26,424.66

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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.