Home / 30,991.78-46,429.08-17,804.17

Finding the Fourth Proportional to 30,991.78, 46,429.08 and 17,804.17

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Solution

The fourth proportional to 30,991.78, 46,429.08 and 17,804.17 is: 26,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,991.78 : 46,429.08 = 17,804.17 : x
  2. Step 2: Convert to fraction form
    30,991.78/46,429.08 = 17,804.17/x
  3. Step 3: Cross multiply
    30,991.78x = 46,429.08 × 17,804.17
  4. Step 4: Simplify right side
    30,991.78x = 826,631,233.26
  5. Step 5: Solve for x
    x = 826,631,233.26/30,991.78
  6. Step 6: Final answer
    x = 26,672.60

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1.5x scale

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.