Home / 29,913.20-44,869.40-9,136.80

Finding the Fourth Proportional to 29,913.20, 44,869.40 and 9,136.80

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Solution

The fourth proportional to 29,913.20, 44,869.40 and 9,136.80 is: 13,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,913.20 : 44,869.40 = 9,136.80 : x
  2. Step 2: Convert to fraction form
    29,913.20/44,869.40 = 9,136.80/x
  3. Step 3: Cross multiply
    29,913.20x = 44,869.40 × 9,136.80
  4. Step 4: Simplify right side
    29,913.20x = 409,962,733.92
  5. Step 5: Solve for x
    x = 409,962,733.92/29,913.20
  6. Step 6: Final answer
    x = 13,705.08

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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.