Home / 30,440.60-42,007.97-17,701.25

Finding the Fourth Proportional to 30,440.60, 42,007.97 and 17,701.25

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Solution

The fourth proportional to 30,440.60, 42,007.97 and 17,701.25 is: 24,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,440.60 : 42,007.97 = 17,701.25 : x
  2. Step 2: Convert to fraction form
    30,440.60/42,007.97 = 17,701.25/x
  3. Step 3: Cross multiply
    30,440.60x = 42,007.97 × 17,701.25
  4. Step 4: Simplify right side
    30,440.60x = 743,593,490.46
  5. Step 5: Solve for x
    x = 743,593,490.46/30,440.60
  6. Step 6: Final answer
    x = 24,427.69

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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.