Home / 30,946.28-46,419.57-13,174.43

Finding the Fourth Proportional to 30,946.28, 46,419.57 and 13,174.43

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Solution

The fourth proportional to 30,946.28, 46,419.57 and 13,174.43 is: 19,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.28 : 46,419.57 = 13,174.43 : x
  2. Step 2: Convert to fraction form
    30,946.28/46,419.57 = 13,174.43/x
  3. Step 3: Cross multiply
    30,946.28x = 46,419.57 × 13,174.43
  4. Step 4: Simplify right side
    30,946.28x = 611,551,143.50
  5. Step 5: Solve for x
    x = 611,551,143.50/30,946.28
  6. Step 6: Final answer
    x = 19,761.70

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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.