Home / 30,630.42-42,265.44-17,199.72

Finding the Fourth Proportional to 30,630.42, 42,265.44 and 17,199.72

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Solution

The fourth proportional to 30,630.42, 42,265.44 and 17,199.72 is: 23,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630.42 : 42,265.44 = 17,199.72 : x
  2. Step 2: Convert to fraction form
    30,630.42/42,265.44 = 17,199.72/x
  3. Step 3: Cross multiply
    30,630.42x = 42,265.44 × 17,199.72
  4. Step 4: Simplify right side
    30,630.42x = 726,953,733.68
  5. Step 5: Solve for x
    x = 726,953,733.68/30,630.42
  6. Step 6: Final answer
    x = 23,733.06

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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.