Home / 67,845.75-101,741.29-20,446.17

Finding the Fourth Proportional to 67,845.75, 101,741.29 and 20,446.17

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Solution

The fourth proportional to 67,845.75, 101,741.29 and 20,446.17 is: 30,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.75 : 101,741.29 = 20,446.17 : x
  2. Step 2: Convert to fraction form
    67,845.75/101,741.29 = 20,446.17/x
  3. Step 3: Cross multiply
    67,845.75x = 101,741.29 × 20,446.17
  4. Step 4: Simplify right side
    67,845.75x = 2,080,219,908.51
  5. Step 5: Solve for x
    x = 2,080,219,908.51/67,845.75
  6. Step 6: Final answer
    x = 30,661.02

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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.