Home / 30,774.26-42,468.40-16,627.07

Finding the Fourth Proportional to 30,774.26, 42,468.40 and 16,627.07

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Solution

The fourth proportional to 30,774.26, 42,468.40 and 16,627.07 is: 22,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.26 : 42,468.40 = 16,627.07 : x
  2. Step 2: Convert to fraction form
    30,774.26/42,468.40 = 16,627.07/x
  3. Step 3: Cross multiply
    30,774.26x = 42,468.40 × 16,627.07
  4. Step 4: Simplify right side
    30,774.26x = 706,125,059.59
  5. Step 5: Solve for x
    x = 706,125,059.59/30,774.26
  6. Step 6: Final answer
    x = 22,945.31

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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.