Home / 65,111.10-97,666.65-18,357.90

Finding the Fourth Proportional to 65,111.10, 97,666.65 and 18,357.90

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Solution

The fourth proportional to 65,111.10, 97,666.65 and 18,357.90 is: 27,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,111.10 : 97,666.65 = 18,357.90 : x
  2. Step 2: Convert to fraction form
    65,111.10/97,666.65 = 18,357.90/x
  3. Step 3: Cross multiply
    65,111.10x = 97,666.65 × 18,357.90
  4. Step 4: Simplify right side
    65,111.10x = 1,792,954,594.04
  5. Step 5: Solve for x
    x = 1,792,954,594.04/65,111.10
  6. Step 6: Final answer
    x = 27,536.85

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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.