Home / 39,482.32-54,484.32-21,577.60

Finding the Fourth Proportional to 39,482.32, 54,484.32 and 21,577.60

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Solution

The fourth proportional to 39,482.32, 54,484.32 and 21,577.60 is: 29,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.32 : 54,484.32 = 21,577.60 : x
  2. Step 2: Convert to fraction form
    39,482.32/54,484.32 = 21,577.60/x
  3. Step 3: Cross multiply
    39,482.32x = 54,484.32 × 21,577.60
  4. Step 4: Simplify right side
    39,482.32x = 1,175,640,863.23
  5. Step 5: Solve for x
    x = 1,175,640,863.23/39,482.32
  6. Step 6: Final answer
    x = 29,776.39

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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.