Home / 30,592.34-42,230.38-18,659.96

Finding the Fourth Proportional to 30,592.34, 42,230.38 and 18,659.96

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Solution

The fourth proportional to 30,592.34, 42,230.38 and 18,659.96 is: 25,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.34 : 42,230.38 = 18,659.96 : x
  2. Step 2: Convert to fraction form
    30,592.34/42,230.38 = 18,659.96/x
  3. Step 3: Cross multiply
    30,592.34x = 42,230.38 × 18,659.96
  4. Step 4: Simplify right side
    30,592.34x = 788,017,201.58
  5. Step 5: Solve for x
    x = 788,017,201.58/30,592.34
  6. Step 6: Final answer
    x = 25,758.64

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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.