Home / 65,406.89-97,862.99-38,767.21

Finding the Fourth Proportional to 65,406.89, 97,862.99 and 38,767.21

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Solution

The fourth proportional to 65,406.89, 97,862.99 and 38,767.21 is: 58,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,406.89 : 97,862.99 = 38,767.21 : x
  2. Step 2: Convert to fraction form
    65,406.89/97,862.99 = 38,767.21/x
  3. Step 3: Cross multiply
    65,406.89x = 97,862.99 × 38,767.21
  4. Step 4: Simplify right side
    65,406.89x = 3,793,874,646.06
  5. Step 5: Solve for x
    x = 3,793,874,646.06/65,406.89
  6. Step 6: Final answer
    x = 58,004.20

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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.