Home / 47,430.78-71,187.06-26,391.84

Finding the Fourth Proportional to 47,430.78, 71,187.06 and 26,391.84

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Solution

The fourth proportional to 47,430.78, 71,187.06 and 26,391.84 is: 39,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,430.78 : 71,187.06 = 26,391.84 : x
  2. Step 2: Convert to fraction form
    47,430.78/71,187.06 = 26,391.84/x
  3. Step 3: Cross multiply
    47,430.78x = 71,187.06 × 26,391.84
  4. Step 4: Simplify right side
    47,430.78x = 1,878,757,497.59
  5. Step 5: Solve for x
    x = 1,878,757,497.59/47,430.78
  6. Step 6: Final answer
    x = 39,610.51

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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.