Home / 49,955.50-68,940.57-28,734.74

Finding the Fourth Proportional to 49,955.50, 68,940.57 and 28,734.74

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Solution

The fourth proportional to 49,955.50, 68,940.57 and 28,734.74 is: 39,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,955.50 : 68,940.57 = 28,734.74 : x
  2. Step 2: Convert to fraction form
    49,955.50/68,940.57 = 28,734.74/x
  3. Step 3: Cross multiply
    49,955.50x = 68,940.57 × 28,734.74
  4. Step 4: Simplify right side
    49,955.50x = 1,980,989,354.40
  5. Step 5: Solve for x
    x = 1,980,989,354.40/49,955.50
  6. Step 6: Final answer
    x = 39,655.08

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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.