Home / 43,039.07-64,561.44-11,448.66

Finding the Fourth Proportional to 43,039.07, 64,561.44 and 11,448.66

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Solution

The fourth proportional to 43,039.07, 64,561.44 and 11,448.66 is: 17,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.07 : 64,561.44 = 11,448.66 : x
  2. Step 2: Convert to fraction form
    43,039.07/64,561.44 = 11,448.66/x
  3. Step 3: Cross multiply
    43,039.07x = 64,561.44 × 11,448.66
  4. Step 4: Simplify right side
    43,039.07x = 739,141,975.67
  5. Step 5: Solve for x
    x = 739,141,975.67/43,039.07
  6. Step 6: Final answer
    x = 17,173.74

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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.