Home / 33,322.80-45,986.70-18,216.47

Finding the Fourth Proportional to 33,322.80, 45,986.70 and 18,216.47

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Solution

The fourth proportional to 33,322.80, 45,986.70 and 18,216.47 is: 25,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,322.80 : 45,986.70 = 18,216.47 : x
  2. Step 2: Convert to fraction form
    33,322.80/45,986.70 = 18,216.47/x
  3. Step 3: Cross multiply
    33,322.80x = 45,986.70 × 18,216.47
  4. Step 4: Simplify right side
    33,322.80x = 837,715,111.02
  5. Step 5: Solve for x
    x = 837,715,111.02/33,322.80
  6. Step 6: Final answer
    x = 25,139.40

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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.