Home / 65,420.07-98,064.49-30,384.33

Finding the Fourth Proportional to 65,420.07, 98,064.49 and 30,384.33

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Solution

The fourth proportional to 65,420.07, 98,064.49 and 30,384.33 is: 45,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,420.07 : 98,064.49 = 30,384.33 : x
  2. Step 2: Convert to fraction form
    65,420.07/98,064.49 = 30,384.33/x
  3. Step 3: Cross multiply
    65,420.07x = 98,064.49 × 30,384.33
  4. Step 4: Simplify right side
    65,420.07x = 2,979,623,825.44
  5. Step 5: Solve for x
    x = 2,979,623,825.44/65,420.07
  6. Step 6: Final answer
    x = 45,546.02

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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.