Home / 30,332.78-41,849.37-16,901.45

Finding the Fourth Proportional to 30,332.78, 41,849.37 and 16,901.45

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Solution

The fourth proportional to 30,332.78, 41,849.37 and 16,901.45 is: 23,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.78 : 41,849.37 = 16,901.45 : x
  2. Step 2: Convert to fraction form
    30,332.78/41,849.37 = 16,901.45/x
  3. Step 3: Cross multiply
    30,332.78x = 41,849.37 × 16,901.45
  4. Step 4: Simplify right side
    30,332.78x = 707,315,034.59
  5. Step 5: Solve for x
    x = 707,315,034.59/30,332.78
  6. Step 6: Final answer
    x = 23,318.50

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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.