Home / 49,389.42-68,153.10-28,975.60

Finding the Fourth Proportional to 49,389.42, 68,153.10 and 28,975.60

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Solution

The fourth proportional to 49,389.42, 68,153.10 and 28,975.60 is: 39,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,389.42 : 68,153.10 = 28,975.60 : x
  2. Step 2: Convert to fraction form
    49,389.42/68,153.10 = 28,975.60/x
  3. Step 3: Cross multiply
    49,389.42x = 68,153.10 × 28,975.60
  4. Step 4: Simplify right side
    49,389.42x = 1,974,776,819.48
  5. Step 5: Solve for x
    x = 1,974,776,819.48/49,389.42
  6. Step 6: Final answer
    x = 39,983.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.