Home / 33,125.27-45,713.45-18,978.17

Finding the Fourth Proportional to 33,125.27, 45,713.45 and 18,978.17

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Solution

The fourth proportional to 33,125.27, 45,713.45 and 18,978.17 is: 26,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.27 : 45,713.45 = 18,978.17 : x
  2. Step 2: Convert to fraction form
    33,125.27/45,713.45 = 18,978.17/x
  3. Step 3: Cross multiply
    33,125.27x = 45,713.45 × 18,978.17
  4. Step 4: Simplify right side
    33,125.27x = 867,557,444.26
  5. Step 5: Solve for x
    x = 867,557,444.26/33,125.27
  6. Step 6: Final answer
    x = 26,190.20

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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.