Home / 47,490.26-71,209.05-19,430.00

Finding the Fourth Proportional to 47,490.26, 71,209.05 and 19,430.00

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Solution

The fourth proportional to 47,490.26, 71,209.05 and 19,430.00 is: 29,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,490.26 : 71,209.05 = 19,430.00 : x
  2. Step 2: Convert to fraction form
    47,490.26/71,209.05 = 19,430.00/x
  3. Step 3: Cross multiply
    47,490.26x = 71,209.05 × 19,430.00
  4. Step 4: Simplify right side
    47,490.26x = 1,383,591,485.45
  5. Step 5: Solve for x
    x = 1,383,591,485.45/47,490.26
  6. Step 6: Final answer
    x = 29,134.22

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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.