Home / 30,946.44-42,708.77-17,520.09

Finding the Fourth Proportional to 30,946.44, 42,708.77 and 17,520.09

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Solution

The fourth proportional to 30,946.44, 42,708.77 and 17,520.09 is: 24,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.44 : 42,708.77 = 17,520.09 : x
  2. Step 2: Convert to fraction form
    30,946.44/42,708.77 = 17,520.09/x
  3. Step 3: Cross multiply
    30,946.44x = 42,708.77 × 17,520.09
  4. Step 4: Simplify right side
    30,946.44x = 748,261,494.19
  5. Step 5: Solve for x
    x = 748,261,494.19/30,946.44
  6. Step 6: Final answer
    x = 24,179.24

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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.