Home / 30,618.22-42,250.22-17,186.39

Finding the Fourth Proportional to 30,618.22, 42,250.22 and 17,186.39

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Solution

The fourth proportional to 30,618.22, 42,250.22 and 17,186.39 is: 23,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618.22 : 42,250.22 = 17,186.39 : x
  2. Step 2: Convert to fraction form
    30,618.22/42,250.22 = 17,186.39/x
  3. Step 3: Cross multiply
    30,618.22x = 42,250.22 × 17,186.39
  4. Step 4: Simplify right side
    30,618.22x = 726,128,758.51
  5. Step 5: Solve for x
    x = 726,128,758.51/30,618.22
  6. Step 6: Final answer
    x = 23,715.58

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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.