Home / 65,739.79-98,547.26-21,335.48

Finding the Fourth Proportional to 65,739.79, 98,547.26 and 21,335.48

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Solution

The fourth proportional to 65,739.79, 98,547.26 and 21,335.48 is: 31,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739.79 : 98,547.26 = 21,335.48 : x
  2. Step 2: Convert to fraction form
    65,739.79/98,547.26 = 21,335.48/x
  3. Step 3: Cross multiply
    65,739.79x = 98,547.26 × 21,335.48
  4. Step 4: Simplify right side
    65,739.79x = 2,102,553,419.25
  5. Step 5: Solve for x
    x = 2,102,553,419.25/65,739.79
  6. Step 6: Final answer
    x = 31,982.97

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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.