Home / 43,146.69-64,708.46-18,186.93

Finding the Fourth Proportional to 43,146.69, 64,708.46 and 18,186.93

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Solution

The fourth proportional to 43,146.69, 64,708.46 and 18,186.93 is: 27,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,146.69 : 64,708.46 = 18,186.93 : x
  2. Step 2: Convert to fraction form
    43,146.69/64,708.46 = 18,186.93/x
  3. Step 3: Cross multiply
    43,146.69x = 64,708.46 × 18,186.93
  4. Step 4: Simplify right side
    43,146.69x = 1,176,848,141.49
  5. Step 5: Solve for x
    x = 1,176,848,141.49/43,146.69
  6. Step 6: Final answer
    x = 27,275.51

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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.