Home / 35,912.16-53,989.88-28,941.12

Finding the Fourth Proportional to 35,912.16, 53,989.88 and 28,941.12

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Solution

The fourth proportional to 35,912.16, 53,989.88 and 28,941.12 is: 43,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.16 : 53,989.88 = 28,941.12 : x
  2. Step 2: Convert to fraction form
    35,912.16/53,989.88 = 28,941.12/x
  3. Step 3: Cross multiply
    35,912.16x = 53,989.88 × 28,941.12
  4. Step 4: Simplify right side
    35,912.16x = 1,562,527,451.16
  5. Step 5: Solve for x
    x = 1,562,527,451.16/35,912.16
  6. Step 6: Final answer
    x = 43,509.70

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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.