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Finding the Fourth Proportional to 33,303.63, 45,959.01 and 18,399.63

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Solution

The fourth proportional to 33,303.63, 45,959.01 and 18,399.63 is: 25,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,303.63 : 45,959.01 = 18,399.63 : x
  2. Step 2: Convert to fraction form
    33,303.63/45,959.01 = 18,399.63/x
  3. Step 3: Cross multiply
    33,303.63x = 45,959.01 × 18,399.63
  4. Step 4: Simplify right side
    33,303.63x = 845,628,779.17
  5. Step 5: Solve for x
    x = 845,628,779.17/33,303.63
  6. Step 6: Final answer
    x = 25,391.49

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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.