Home / 47,490.30-71,209.14-19,430.07

Finding the Fourth Proportional to 47,490.30, 71,209.14 and 19,430.07

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Solution

The fourth proportional to 47,490.30, 71,209.14 and 19,430.07 is: 29,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,490.30 : 71,209.14 = 19,430.07 : x
  2. Step 2: Convert to fraction form
    47,490.30/71,209.14 = 19,430.07/x
  3. Step 3: Cross multiply
    47,490.30x = 71,209.14 × 19,430.07
  4. Step 4: Simplify right side
    47,490.30x = 1,383,598,574.84
  5. Step 5: Solve for x
    x = 1,383,598,574.84/47,490.30
  6. Step 6: Final answer
    x = 29,134.34

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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.