Home / 30,719.52-46,077.66-8,534.16

Finding the Fourth Proportional to 30,719.52, 46,077.66 and 8,534.16

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Solution

The fourth proportional to 30,719.52, 46,077.66 and 8,534.16 is: 12,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.52 : 46,077.66 = 8,534.16 : x
  2. Step 2: Convert to fraction form
    30,719.52/46,077.66 = 8,534.16/x
  3. Step 3: Cross multiply
    30,719.52x = 46,077.66 × 8,534.16
  4. Step 4: Simplify right side
    30,719.52x = 393,234,122.87
  5. Step 5: Solve for x
    x = 393,234,122.87/30,719.52
  6. Step 6: Final answer
    x = 12,800.79

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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.