Home / 33,218.04-45,840.30-18,111.36

Finding the Fourth Proportional to 33,218.04, 45,840.30 and 18,111.36

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Solution

The fourth proportional to 33,218.04, 45,840.30 and 18,111.36 is: 24,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.04 : 45,840.30 = 18,111.36 : x
  2. Step 2: Convert to fraction form
    33,218.04/45,840.30 = 18,111.36/x
  3. Step 3: Cross multiply
    33,218.04x = 45,840.30 × 18,111.36
  4. Step 4: Simplify right side
    33,218.04x = 830,230,175.81
  5. Step 5: Solve for x
    x = 830,230,175.81/33,218.04
  6. Step 6: Final answer
    x = 24,993.35

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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.