Home / 90,444.39-135,664.47-23,889.17

Finding the Fourth Proportional to 90,444.39, 135,664.47 and 23,889.17

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Solution

The fourth proportional to 90,444.39, 135,664.47 and 23,889.17 is: 35,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444.39 : 135,664.47 = 23,889.17 : x
  2. Step 2: Convert to fraction form
    90,444.39/135,664.47 = 23,889.17/x
  3. Step 3: Cross multiply
    90,444.39x = 135,664.47 × 23,889.17
  4. Step 4: Simplify right side
    90,444.39x = 3,240,910,908.47
  5. Step 5: Solve for x
    x = 3,240,910,908.47/90,444.39
  6. Step 6: Final answer
    x = 35,833.19

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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.