Home / 43,146.74-64,743.37-18,204.08

Finding the Fourth Proportional to 43,146.74, 64,743.37 and 18,204.08

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Solution

The fourth proportional to 43,146.74, 64,743.37 and 18,204.08 is: 27,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,146.74 : 64,743.37 = 18,204.08 : x
  2. Step 2: Convert to fraction form
    43,146.74/64,743.37 = 18,204.08/x
  3. Step 3: Cross multiply
    43,146.74x = 64,743.37 × 18,204.08
  4. Step 4: Simplify right side
    43,146.74x = 1,178,593,117.72
  5. Step 5: Solve for x
    x = 1,178,593,117.72/43,146.74
  6. Step 6: Final answer
    x = 27,315.92

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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.