Home / 30,598.74-42,226.44-17,170.56

Finding the Fourth Proportional to 30,598.74, 42,226.44 and 17,170.56

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Solution

The fourth proportional to 30,598.74, 42,226.44 and 17,170.56 is: 23,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.74 : 42,226.44 = 17,170.56 : x
  2. Step 2: Convert to fraction form
    30,598.74/42,226.44 = 17,170.56/x
  3. Step 3: Cross multiply
    30,598.74x = 42,226.44 × 17,170.56
  4. Step 4: Simplify right side
    30,598.74x = 725,051,621.61
  5. Step 5: Solve for x
    x = 725,051,621.61/30,598.74
  6. Step 6: Final answer
    x = 23,695.47

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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.