Home / 30,598.84-42,222.36-17,169.58

Finding the Fourth Proportional to 30,598.84, 42,222.36 and 17,169.58

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Solution

The fourth proportional to 30,598.84, 42,222.36 and 17,169.58 is: 23,691.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.84 : 42,222.36 = 17,169.58 : x
  2. Step 2: Convert to fraction form
    30,598.84/42,222.36 = 17,169.58/x
  3. Step 3: Cross multiply
    30,598.84x = 42,222.36 × 17,169.58
  4. Step 4: Simplify right side
    30,598.84x = 724,940,187.81
  5. Step 5: Solve for x
    x = 724,940,187.81/30,598.84
  6. Step 6: Final answer
    x = 23,691.75

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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.