Home / 30,729.99-46,084.72-12,005.17

Finding the Fourth Proportional to 30,729.99, 46,084.72 and 12,005.17

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Solution

The fourth proportional to 30,729.99, 46,084.72 and 12,005.17 is: 18,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,729.99 : 46,084.72 = 12,005.17 : x
  2. Step 2: Convert to fraction form
    30,729.99/46,084.72 = 12,005.17/x
  3. Step 3: Cross multiply
    30,729.99x = 46,084.72 × 12,005.17
  4. Step 4: Simplify right side
    30,729.99x = 553,254,898.00
  5. Step 5: Solve for x
    x = 553,254,898.00/30,729.99
  6. Step 6: Final answer
    x = 18,003.74

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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.