Home / 66,407.55-99,574.41-26,918.53

Finding the Fourth Proportional to 66,407.55, 99,574.41 and 26,918.53

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Solution

The fourth proportional to 66,407.55, 99,574.41 and 26,918.53 is: 40,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,407.55 : 99,574.41 = 26,918.53 : x
  2. Step 2: Convert to fraction form
    66,407.55/99,574.41 = 26,918.53/x
  3. Step 3: Cross multiply
    66,407.55x = 99,574.41 × 26,918.53
  4. Step 4: Simplify right side
    66,407.55x = 2,680,396,742.82
  5. Step 5: Solve for x
    x = 2,680,396,742.82/66,407.55
  6. Step 6: Final answer
    x = 40,362.83

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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.