Home / 90,448.39-135,670.47-23,893.18

Finding the Fourth Proportional to 90,448.39, 135,670.47 and 23,893.18

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Solution

The fourth proportional to 90,448.39, 135,670.47 and 23,893.18 is: 35,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,448.39 : 135,670.47 = 23,893.18 : x
  2. Step 2: Convert to fraction form
    90,448.39/135,670.47 = 23,893.18/x
  3. Step 3: Cross multiply
    90,448.39x = 135,670.47 × 23,893.18
  4. Step 4: Simplify right side
    90,448.39x = 3,241,598,960.39
  5. Step 5: Solve for x
    x = 3,241,598,960.39/90,448.39
  6. Step 6: Final answer
    x = 35,839.21

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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.