Home / 30,736.36-42,415.75-17,308.92

Finding the Fourth Proportional to 30,736.36, 42,415.75 and 17,308.92

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Solution

The fourth proportional to 30,736.36, 42,415.75 and 17,308.92 is: 23,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.36 : 42,415.75 = 17,308.92 : x
  2. Step 2: Convert to fraction form
    30,736.36/42,415.75 = 17,308.92/x
  3. Step 3: Cross multiply
    30,736.36x = 42,415.75 × 17,308.92
  4. Step 4: Simplify right side
    30,736.36x = 734,171,004.19
  5. Step 5: Solve for x
    x = 734,171,004.19/30,736.36
  6. Step 6: Final answer
    x = 23,886.07

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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.