Home / 49,430.70-74,145.48-19,848.02

Finding the Fourth Proportional to 49,430.70, 74,145.48 and 19,848.02

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Solution

The fourth proportional to 49,430.70, 74,145.48 and 19,848.02 is: 29,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.70 : 74,145.48 = 19,848.02 : x
  2. Step 2: Convert to fraction form
    49,430.70/74,145.48 = 19,848.02/x
  3. Step 3: Cross multiply
    49,430.70x = 74,145.48 × 19,848.02
  4. Step 4: Simplify right side
    49,430.70x = 1,471,640,969.95
  5. Step 5: Solve for x
    x = 1,471,640,969.95/49,430.70
  6. Step 6: Final answer
    x = 29,771.80

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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.