Home / 30,851.20-46,263.30-14,205.70

Finding the Fourth Proportional to 30,851.20, 46,263.30 and 14,205.70

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Solution

The fourth proportional to 30,851.20, 46,263.30 and 14,205.70 is: 21,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.20 : 46,263.30 = 14,205.70 : x
  2. Step 2: Convert to fraction form
    30,851.20/46,263.30 = 14,205.70/x
  3. Step 3: Cross multiply
    30,851.20x = 46,263.30 × 14,205.70
  4. Step 4: Simplify right side
    30,851.20x = 657,202,560.81
  5. Step 5: Solve for x
    x = 657,202,560.81/30,851.20
  6. Step 6: Final answer
    x = 21,302.33

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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.