Home / 30,376.68-45,577.98-14,790.12

Finding the Fourth Proportional to 30,376.68, 45,577.98 and 14,790.12

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Solution

The fourth proportional to 30,376.68, 45,577.98 and 14,790.12 is: 22,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.68 : 45,577.98 = 14,790.12 : x
  2. Step 2: Convert to fraction form
    30,376.68/45,577.98 = 14,790.12/x
  3. Step 3: Cross multiply
    30,376.68x = 45,577.98 × 14,790.12
  4. Step 4: Simplify right side
    30,376.68x = 674,103,793.56
  5. Step 5: Solve for x
    x = 674,103,793.56/30,376.68
  6. Step 6: Final answer
    x = 22,191.49

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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.