Home / 65,574.23-98,340.48-21,190.48

Finding the Fourth Proportional to 65,574.23, 98,340.48 and 21,190.48

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Solution

The fourth proportional to 65,574.23, 98,340.48 and 21,190.48 is: 31,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,574.23 : 98,340.48 = 21,190.48 : x
  2. Step 2: Convert to fraction form
    65,574.23/98,340.48 = 21,190.48/x
  3. Step 3: Cross multiply
    65,574.23x = 98,340.48 × 21,190.48
  4. Step 4: Simplify right side
    65,574.23x = 2,083,881,728.78
  5. Step 5: Solve for x
    x = 2,083,881,728.78/65,574.23
  6. Step 6: Final answer
    x = 31,778.98

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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.