Home / 39,480.26-54,482.63-21,575.37

Finding the Fourth Proportional to 39,480.26, 54,482.63 and 21,575.37

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Solution

The fourth proportional to 39,480.26, 54,482.63 and 21,575.37 is: 29,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,480.26 : 54,482.63 = 21,575.37 : x
  2. Step 2: Convert to fraction form
    39,480.26/54,482.63 = 21,575.37/x
  3. Step 3: Cross multiply
    39,480.26x = 54,482.63 × 21,575.37
  4. Step 4: Simplify right side
    39,480.26x = 1,175,482,792.95
  5. Step 5: Solve for x
    x = 1,175,482,792.95/39,480.26
  6. Step 6: Final answer
    x = 29,773.94

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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.