Home / 30,630.52-42,269.58-17,201.88

Finding the Fourth Proportional to 30,630.52, 42,269.58 and 17,201.88

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Solution

The fourth proportional to 30,630.52, 42,269.58 and 17,201.88 is: 23,738.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630.52 : 42,269.58 = 17,201.88 : x
  2. Step 2: Convert to fraction form
    30,630.52/42,269.58 = 17,201.88/x
  3. Step 3: Cross multiply
    30,630.52x = 42,269.58 × 17,201.88
  4. Step 4: Simplify right side
    30,630.52x = 727,116,242.81
  5. Step 5: Solve for x
    x = 727,116,242.81/30,630.52
  6. Step 6: Final answer
    x = 23,738.29

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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.