Home / 43,055.40-64,514.88-33,218.76

Finding the Fourth Proportional to 43,055.40, 64,514.88 and 33,218.76

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Solution

The fourth proportional to 43,055.40, 64,514.88 and 33,218.76 is: 49,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,055.40 : 64,514.88 = 33,218.76 : x
  2. Step 2: Convert to fraction form
    43,055.40/64,514.88 = 33,218.76/x
  3. Step 3: Cross multiply
    43,055.40x = 64,514.88 × 33,218.76
  4. Step 4: Simplify right side
    43,055.40x = 2,143,104,315.15
  5. Step 5: Solve for x
    x = 2,143,104,315.15/43,055.40
  6. Step 6: Final answer
    x = 49,775.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.