Home / 30,562.80-42,176.07-16,950.75

Finding the Fourth Proportional to 30,562.80, 42,176.07 and 16,950.75

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Solution

The fourth proportional to 30,562.80, 42,176.07 and 16,950.75 is: 23,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.80 : 42,176.07 = 16,950.75 : x
  2. Step 2: Convert to fraction form
    30,562.80/42,176.07 = 16,950.75/x
  3. Step 3: Cross multiply
    30,562.80x = 42,176.07 × 16,950.75
  4. Step 4: Simplify right side
    30,562.80x = 714,916,018.55
  5. Step 5: Solve for x
    x = 714,916,018.55/30,562.80
  6. Step 6: Final answer
    x = 23,391.71

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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.