Home / 40,435.36-60,661.76-19,670.56

Finding the Fourth Proportional to 40,435.36, 60,661.76 and 19,670.56

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Solution

The fourth proportional to 40,435.36, 60,661.76 and 19,670.56 is: 29,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,435.36 : 60,661.76 = 19,670.56 : x
  2. Step 2: Convert to fraction form
    40,435.36/60,661.76 = 19,670.56/x
  3. Step 3: Cross multiply
    40,435.36x = 60,661.76 × 19,670.56
  4. Step 4: Simplify right side
    40,435.36x = 1,193,250,789.79
  5. Step 5: Solve for x
    x = 1,193,250,789.79/40,435.36
  6. Step 6: Final answer
    x = 29,510.08

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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.