Home / 30,993.06-42,767.04-17,564.08

Finding the Fourth Proportional to 30,993.06, 42,767.04 and 17,564.08

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Solution

The fourth proportional to 30,993.06, 42,767.04 and 17,564.08 is: 24,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,993.06 : 42,767.04 = 17,564.08 : x
  2. Step 2: Convert to fraction form
    30,993.06/42,767.04 = 17,564.08/x
  3. Step 3: Cross multiply
    30,993.06x = 42,767.04 × 17,564.08
  4. Step 4: Simplify right side
    30,993.06x = 751,163,711.92
  5. Step 5: Solve for x
    x = 751,163,711.92/30,993.06
  6. Step 6: Final answer
    x = 24,236.51

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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.