Home / 43,539.80-65,338.83-15,837.80

Finding the Fourth Proportional to 43,539.80, 65,338.83 and 15,837.80

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Solution

The fourth proportional to 43,539.80, 65,338.83 and 15,837.80 is: 23,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,539.80 : 65,338.83 = 15,837.80 : x
  2. Step 2: Convert to fraction form
    43,539.80/65,338.83 = 15,837.80/x
  3. Step 3: Cross multiply
    43,539.80x = 65,338.83 × 15,837.80
  4. Step 4: Simplify right side
    43,539.80x = 1,034,823,321.77
  5. Step 5: Solve for x
    x = 1,034,823,321.77/43,539.80
  6. Step 6: Final answer
    x = 23,767.30

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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.