Home / 30,436.19-42,001.14-17,007.56

Finding the Fourth Proportional to 30,436.19, 42,001.14 and 17,007.56

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Solution

The fourth proportional to 30,436.19, 42,001.14 and 17,007.56 is: 23,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.19 : 42,001.14 = 17,007.56 : x
  2. Step 2: Convert to fraction form
    30,436.19/42,001.14 = 17,007.56/x
  3. Step 3: Cross multiply
    30,436.19x = 42,001.14 × 17,007.56
  4. Step 4: Simplify right side
    30,436.19x = 714,336,910.84
  5. Step 5: Solve for x
    x = 714,336,910.84/30,436.19
  6. Step 6: Final answer
    x = 23,469.98

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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.