Home / 30,760.12-46,140.21-8,574.07

Finding the Fourth Proportional to 30,760.12, 46,140.21 and 8,574.07

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Solution

The fourth proportional to 30,760.12, 46,140.21 and 8,574.07 is: 12,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760.12 : 46,140.21 = 8,574.07 : x
  2. Step 2: Convert to fraction form
    30,760.12/46,140.21 = 8,574.07/x
  3. Step 3: Cross multiply
    30,760.12x = 46,140.21 × 8,574.07
  4. Step 4: Simplify right side
    30,760.12x = 395,609,390.35
  5. Step 5: Solve for x
    x = 395,609,390.35/30,760.12
  6. Step 6: Final answer
    x = 12,861.11

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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.