Home / 30,330.52-41,857.37-16,901.79

Finding the Fourth Proportional to 30,330.52, 41,857.37 and 16,901.79

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Solution

The fourth proportional to 30,330.52, 41,857.37 and 16,901.79 is: 23,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.52 : 41,857.37 = 16,901.79 : x
  2. Step 2: Convert to fraction form
    30,330.52/41,857.37 = 16,901.79/x
  3. Step 3: Cross multiply
    30,330.52x = 41,857.37 × 16,901.79
  4. Step 4: Simplify right side
    30,330.52x = 707,464,477.69
  5. Step 5: Solve for x
    x = 707,464,477.69/30,330.52
  6. Step 6: Final answer
    x = 23,325.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.