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Finding the Fourth Proportional to 50,880.09, 70,153.50 and 32,968.56

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Solution

The fourth proportional to 50,880.09, 70,153.50 and 32,968.56 is: 45,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,880.09 : 70,153.50 = 32,968.56 : x
  2. Step 2: Convert to fraction form
    50,880.09/70,153.50 = 32,968.56/x
  3. Step 3: Cross multiply
    50,880.09x = 70,153.50 × 32,968.56
  4. Step 4: Simplify right side
    50,880.09x = 2,312,859,873.96
  5. Step 5: Solve for x
    x = 2,312,859,873.96/50,880.09
  6. Step 6: Final answer
    x = 45,457.07

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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.