Home / 43,039.16-64,558.60-11,449.18

Finding the Fourth Proportional to 43,039.16, 64,558.60 and 11,449.18

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Solution

The fourth proportional to 43,039.16, 64,558.60 and 11,449.18 is: 17,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.16 : 64,558.60 = 11,449.18 : x
  2. Step 2: Convert to fraction form
    43,039.16/64,558.60 = 11,449.18/x
  3. Step 3: Cross multiply
    43,039.16x = 64,558.60 × 11,449.18
  4. Step 4: Simplify right side
    43,039.16x = 739,143,031.95
  5. Step 5: Solve for x
    x = 739,143,031.95/43,039.16
  6. Step 6: Final answer
    x = 17,173.73

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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.