Home / 45,298.84-67,941.66-12,020.92

Finding the Fourth Proportional to 45,298.84, 67,941.66 and 12,020.92

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Solution

The fourth proportional to 45,298.84, 67,941.66 and 12,020.92 is: 18,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,298.84 : 67,941.66 = 12,020.92 : x
  2. Step 2: Convert to fraction form
    45,298.84/67,941.66 = 12,020.92/x
  3. Step 3: Cross multiply
    45,298.84x = 67,941.66 × 12,020.92
  4. Step 4: Simplify right side
    45,298.84x = 816,721,259.53
  5. Step 5: Solve for x
    x = 816,721,259.53/45,298.84
  6. Step 6: Final answer
    x = 18,029.63

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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.