Home / 66,497.22-99,744.86-30,938.65

Finding the Fourth Proportional to 66,497.22, 99,744.86 and 30,938.65

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Solution

The fourth proportional to 66,497.22, 99,744.86 and 30,938.65 is: 46,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,497.22 : 99,744.86 = 30,938.65 : x
  2. Step 2: Convert to fraction form
    66,497.22/99,744.86 = 30,938.65/x
  3. Step 3: Cross multiply
    66,497.22x = 99,744.86 × 30,938.65
  4. Step 4: Simplify right side
    66,497.22x = 3,085,971,140.82
  5. Step 5: Solve for x
    x = 3,085,971,140.82/66,497.22
  6. Step 6: Final answer
    x = 46,407.52

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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.