Home / 47,038-64,912.35-25,816.81

Finding the Fourth Proportional to 47,038, 64,912.35 and 25,816.81

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Solution

The fourth proportional to 47,038, 64,912.35 and 25,816.81 is: 35,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,038 : 64,912.35 = 25,816.81 : x
  2. Step 2: Convert to fraction form
    47,038/64,912.35 = 25,816.81/x
  3. Step 3: Cross multiply
    47,038x = 64,912.35 × 25,816.81
  4. Step 4: Simplify right side
    47,038x = 1,675,829,806.60
  5. Step 5: Solve for x
    x = 1,675,829,806.60/47,038
  6. Step 6: Final answer
    x = 35,627.15

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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.