Home / 43,494.57-65,243.88-19,792.35

Finding the Fourth Proportional to 43,494.57, 65,243.88 and 19,792.35

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Solution

The fourth proportional to 43,494.57, 65,243.88 and 19,792.35 is: 29,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,494.57 : 65,243.88 = 19,792.35 : x
  2. Step 2: Convert to fraction form
    43,494.57/65,243.88 = 19,792.35/x
  3. Step 3: Cross multiply
    43,494.57x = 65,243.88 × 19,792.35
  4. Step 4: Simplify right side
    43,494.57x = 1,291,329,708.32
  5. Step 5: Solve for x
    x = 1,291,329,708.32/43,494.57
  6. Step 6: Final answer
    x = 29,689.45

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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.