Home / 30,776.76-46,169.58-9,709.64

Finding the Fourth Proportional to 30,776.76, 46,169.58 and 9,709.64

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Solution

The fourth proportional to 30,776.76, 46,169.58 and 9,709.64 is: 14,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,776.76 : 46,169.58 = 9,709.64 : x
  2. Step 2: Convert to fraction form
    30,776.76/46,169.58 = 9,709.64/x
  3. Step 3: Cross multiply
    30,776.76x = 46,169.58 × 9,709.64
  4. Step 4: Simplify right side
    30,776.76x = 448,290,000.75
  5. Step 5: Solve for x
    x = 448,290,000.75/30,776.76
  6. Step 6: Final answer
    x = 14,565.86

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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.