Home / 30,938.69-46,431.55-22,640.12

Finding the Fourth Proportional to 30,938.69, 46,431.55 and 22,640.12

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Solution

The fourth proportional to 30,938.69, 46,431.55 and 22,640.12 is: 33,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,938.69 : 46,431.55 = 22,640.12 : x
  2. Step 2: Convert to fraction form
    30,938.69/46,431.55 = 22,640.12/x
  3. Step 3: Cross multiply
    30,938.69x = 46,431.55 × 22,640.12
  4. Step 4: Simplify right side
    30,938.69x = 1,051,215,967.87
  5. Step 5: Solve for x
    x = 1,051,215,967.87/30,938.69
  6. Step 6: Final answer
    x = 33,977.39

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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.