Home / 49,742.16-68,622.60-28,516.56

Finding the Fourth Proportional to 49,742.16, 68,622.60 and 28,516.56

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Solution

The fourth proportional to 49,742.16, 68,622.60 and 28,516.56 is: 39,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,742.16 : 68,622.60 = 28,516.56 : x
  2. Step 2: Convert to fraction form
    49,742.16/68,622.60 = 28,516.56/x
  3. Step 3: Cross multiply
    49,742.16x = 68,622.60 × 28,516.56
  4. Step 4: Simplify right side
    49,742.16x = 1,956,880,490.26
  5. Step 5: Solve for x
    x = 1,956,880,490.26/49,742.16
  6. Step 6: Final answer
    x = 39,340.48

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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.