Home / 30,985.92-46,470.54-13,451.64

Finding the Fourth Proportional to 30,985.92, 46,470.54 and 13,451.64

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Solution

The fourth proportional to 30,985.92, 46,470.54 and 13,451.64 is: 20,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985.92 : 46,470.54 = 13,451.64 : x
  2. Step 2: Convert to fraction form
    30,985.92/46,470.54 = 13,451.64/x
  3. Step 3: Cross multiply
    30,985.92x = 46,470.54 × 13,451.64
  4. Step 4: Simplify right side
    30,985.92x = 625,104,974.69
  5. Step 5: Solve for x
    x = 625,104,974.69/30,985.92
  6. Step 6: Final answer
    x = 20,173.84

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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.