Home / 47,921.16-71,895.60-19,836.02

Finding the Fourth Proportional to 47,921.16, 71,895.60 and 19,836.02

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Solution

The fourth proportional to 47,921.16, 71,895.60 and 19,836.02 is: 29,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.16 : 71,895.60 = 19,836.02 : x
  2. Step 2: Convert to fraction form
    47,921.16/71,895.60 = 19,836.02/x
  3. Step 3: Cross multiply
    47,921.16x = 71,895.60 × 19,836.02
  4. Step 4: Simplify right side
    47,921.16x = 1,426,122,559.51
  5. Step 5: Solve for x
    x = 1,426,122,559.51/47,921.16
  6. Step 6: Final answer
    x = 29,759.77

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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.