Home / 30,627.60-42,262.80-17,200.32

Finding the Fourth Proportional to 30,627.60, 42,262.80 and 17,200.32

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Solution

The fourth proportional to 30,627.60, 42,262.80 and 17,200.32 is: 23,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627.60 : 42,262.80 = 17,200.32 : x
  2. Step 2: Convert to fraction form
    30,627.60/42,262.80 = 17,200.32/x
  3. Step 3: Cross multiply
    30,627.60x = 42,262.80 × 17,200.32
  4. Step 4: Simplify right side
    30,627.60x = 726,933,684.10
  5. Step 5: Solve for x
    x = 726,933,684.10/30,627.60
  6. Step 6: Final answer
    x = 23,734.60

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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.