Home / 35,755.22-49,342.04-19,839.63

Finding the Fourth Proportional to 35,755.22, 49,342.04 and 19,839.63

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Solution

The fourth proportional to 35,755.22, 49,342.04 and 19,839.63 is: 27,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.22 : 49,342.04 = 19,839.63 : x
  2. Step 2: Convert to fraction form
    35,755.22/49,342.04 = 19,839.63/x
  3. Step 3: Cross multiply
    35,755.22x = 49,342.04 × 19,839.63
  4. Step 4: Simplify right side
    35,755.22x = 978,927,607.21
  5. Step 5: Solve for x
    x = 978,927,607.21/35,755.22
  6. Step 6: Final answer
    x = 27,378.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.