Home / 33,322.92-45,985.56-18,215.58

Finding the Fourth Proportional to 33,322.92, 45,985.56 and 18,215.58

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Solution

The fourth proportional to 33,322.92, 45,985.56 and 18,215.58 is: 25,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,322.92 : 45,985.56 = 18,215.58 : x
  2. Step 2: Convert to fraction form
    33,322.92/45,985.56 = 18,215.58/x
  3. Step 3: Cross multiply
    33,322.92x = 45,985.56 × 18,215.58
  4. Step 4: Simplify right side
    33,322.92x = 837,653,647.02
  5. Step 5: Solve for x
    x = 837,653,647.02/33,322.92
  6. Step 6: Final answer
    x = 25,137.46

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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.