Home / 30,601.19-42,227.16-17,170.58

Finding the Fourth Proportional to 30,601.19, 42,227.16 and 17,170.58

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Solution

The fourth proportional to 30,601.19, 42,227.16 and 17,170.58 is: 23,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.19 : 42,227.16 = 17,170.58 : x
  2. Step 2: Convert to fraction form
    30,601.19/42,227.16 = 17,170.58/x
  3. Step 3: Cross multiply
    30,601.19x = 42,227.16 × 17,170.58
  4. Step 4: Simplify right side
    30,601.19x = 725,064,828.95
  5. Step 5: Solve for x
    x = 725,064,828.95/30,601.19
  6. Step 6: Final answer
    x = 23,694.01

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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.