Home / 47,669.97-71,505.47-14,390.31

Finding the Fourth Proportional to 47,669.97, 71,505.47 and 14,390.31

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Solution

The fourth proportional to 47,669.97, 71,505.47 and 14,390.31 is: 21,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,669.97 : 71,505.47 = 14,390.31 : x
  2. Step 2: Convert to fraction form
    47,669.97/71,505.47 = 14,390.31/x
  3. Step 3: Cross multiply
    47,669.97x = 71,505.47 × 14,390.31
  4. Step 4: Simplify right side
    47,669.97x = 1,028,985,808.04
  5. Step 5: Solve for x
    x = 1,028,985,808.04/47,669.97
  6. Step 6: Final answer
    x = 21,585.62

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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.