Home / 65,020.34-97,521.66-17,638.47

Finding the Fourth Proportional to 65,020.34, 97,521.66 and 17,638.47

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Solution

The fourth proportional to 65,020.34, 97,521.66 and 17,638.47 is: 26,455.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,020.34 : 97,521.66 = 17,638.47 : x
  2. Step 2: Convert to fraction form
    65,020.34/97,521.66 = 17,638.47/x
  3. Step 3: Cross multiply
    65,020.34x = 97,521.66 × 17,638.47
  4. Step 4: Simplify right side
    65,020.34x = 1,720,132,874.26
  5. Step 5: Solve for x
    x = 1,720,132,874.26/65,020.34
  6. Step 6: Final answer
    x = 26,455.31

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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.