Home / 30,507.02-45,768.42-17,867.46

Finding the Fourth Proportional to 30,507.02, 45,768.42 and 17,867.46

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Solution

The fourth proportional to 30,507.02, 45,768.42 and 17,867.46 is: 26,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,507.02 : 45,768.42 = 17,867.46 : x
  2. Step 2: Convert to fraction form
    30,507.02/45,768.42 = 17,867.46/x
  3. Step 3: Cross multiply
    30,507.02x = 45,768.42 × 17,867.46
  4. Step 4: Simplify right side
    30,507.02x = 817,765,413.61
  5. Step 5: Solve for x
    x = 817,765,413.61/30,507.02
  6. Step 6: Final answer
    x = 26,805.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.