Home / 39,515.78-54,487.77-29,450.18

Finding the Fourth Proportional to 39,515.78, 54,487.77 and 29,450.18

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Solution

The fourth proportional to 39,515.78, 54,487.77 and 29,450.18 is: 40,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.78 : 54,487.77 = 29,450.18 : x
  2. Step 2: Convert to fraction form
    39,515.78/54,487.77 = 29,450.18/x
  3. Step 3: Cross multiply
    39,515.78x = 54,487.77 × 29,450.18
  4. Step 4: Simplify right side
    39,515.78x = 1,604,674,634.30
  5. Step 5: Solve for x
    x = 1,604,674,634.30/39,515.78
  6. Step 6: Final answer
    x = 40,608.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.