Home / 30,774.35-42,468.62-16,627.20

Finding the Fourth Proportional to 30,774.35, 42,468.62 and 16,627.20

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Solution

The fourth proportional to 30,774.35, 42,468.62 and 16,627.20 is: 22,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.35 : 42,468.62 = 16,627.20 : x
  2. Step 2: Convert to fraction form
    30,774.35/42,468.62 = 16,627.20/x
  3. Step 3: Cross multiply
    30,774.35x = 42,468.62 × 16,627.20
  4. Step 4: Simplify right side
    30,774.35x = 706,134,155.33
  5. Step 5: Solve for x
    x = 706,134,155.33/30,774.35
  6. Step 6: Final answer
    x = 22,945.55

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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.