Home / 30,860.38-46,290.64-11,152.86

Finding the Fourth Proportional to 30,860.38, 46,290.64 and 11,152.86

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Solution

The fourth proportional to 30,860.38, 46,290.64 and 11,152.86 is: 16,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.38 : 46,290.64 = 11,152.86 : x
  2. Step 2: Convert to fraction form
    30,860.38/46,290.64 = 11,152.86/x
  3. Step 3: Cross multiply
    30,860.38x = 46,290.64 × 11,152.86
  4. Step 4: Simplify right side
    30,860.38x = 516,273,027.23
  5. Step 5: Solve for x
    x = 516,273,027.23/30,860.38
  6. Step 6: Final answer
    x = 16,729.32

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1.5x scale

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.