Home / 43,330.09-64,952.08-30,154.79

Finding the Fourth Proportional to 43,330.09, 64,952.08 and 30,154.79

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Solution

The fourth proportional to 43,330.09, 64,952.08 and 30,154.79 is: 45,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.09 : 64,952.08 = 30,154.79 : x
  2. Step 2: Convert to fraction form
    43,330.09/64,952.08 = 30,154.79/x
  3. Step 3: Cross multiply
    43,330.09x = 64,952.08 × 30,154.79
  4. Step 4: Simplify right side
    43,330.09x = 1,958,616,007.70
  5. Step 5: Solve for x
    x = 1,958,616,007.70/43,330.09
  6. Step 6: Final answer
    x = 45,202.21

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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.