Home / 30,566.32-42,181.36-17,137.56

Finding the Fourth Proportional to 30,566.32, 42,181.36 and 17,137.56

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Solution

The fourth proportional to 30,566.32, 42,181.36 and 17,137.56 is: 23,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.32 : 42,181.36 = 17,137.56 : x
  2. Step 2: Convert to fraction form
    30,566.32/42,181.36 = 17,137.56/x
  3. Step 3: Cross multiply
    30,566.32x = 42,181.36 × 17,137.56
  4. Step 4: Simplify right side
    30,566.32x = 722,885,587.88
  5. Step 5: Solve for x
    x = 722,885,587.88/30,566.32
  6. Step 6: Final answer
    x = 23,649.74

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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.