Home / 43,037.87-64,556.19-20,853.18

Finding the Fourth Proportional to 43,037.87, 64,556.19 and 20,853.18

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Solution

The fourth proportional to 43,037.87, 64,556.19 and 20,853.18 is: 31,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,037.87 : 64,556.19 = 20,853.18 : x
  2. Step 2: Convert to fraction form
    43,037.87/64,556.19 = 20,853.18/x
  3. Step 3: Cross multiply
    43,037.87x = 64,556.19 × 20,853.18
  4. Step 4: Simplify right side
    43,037.87x = 1,346,201,850.18
  5. Step 5: Solve for x
    x = 1,346,201,850.18/43,037.87
  6. Step 6: Final answer
    x = 31,279.48

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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.