Home / 30,704.80-46,057.32-8,519.92

Finding the Fourth Proportional to 30,704.80, 46,057.32 and 8,519.92

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Solution

The fourth proportional to 30,704.80, 46,057.32 and 8,519.92 is: 12,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.80 : 46,057.32 = 8,519.92 : x
  2. Step 2: Convert to fraction form
    30,704.80/46,057.32 = 8,519.92/x
  3. Step 3: Cross multiply
    30,704.80x = 46,057.32 × 8,519.92
  4. Step 4: Simplify right side
    30,704.80x = 392,404,681.81
  5. Step 5: Solve for x
    x = 392,404,681.81/30,704.80
  6. Step 6: Final answer
    x = 12,779.91

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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.