Home / 30,380.24-45,594.74-13,741.72

Finding the Fourth Proportional to 30,380.24, 45,594.74 and 13,741.72

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Solution

The fourth proportional to 30,380.24, 45,594.74 and 13,741.72 is: 20,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380.24 : 45,594.74 = 13,741.72 : x
  2. Step 2: Convert to fraction form
    30,380.24/45,594.74 = 13,741.72/x
  3. Step 3: Cross multiply
    30,380.24x = 45,594.74 × 13,741.72
  4. Step 4: Simplify right side
    30,380.24x = 626,550,070.92
  5. Step 5: Solve for x
    x = 626,550,070.92/30,380.24
  6. Step 6: Final answer
    x = 20,623.60

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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.