Home / 53,028.32-79,578.99-21,863.57

Finding the Fourth Proportional to 53,028.32, 79,578.99 and 21,863.57

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Solution

The fourth proportional to 53,028.32, 79,578.99 and 21,863.57 is: 32,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,028.32 : 79,578.99 = 21,863.57 : x
  2. Step 2: Convert to fraction form
    53,028.32/79,578.99 = 21,863.57/x
  3. Step 3: Cross multiply
    53,028.32x = 79,578.99 × 21,863.57
  4. Step 4: Simplify right side
    53,028.32x = 1,739,880,420.50
  5. Step 5: Solve for x
    x = 1,739,880,420.50/53,028.32
  6. Step 6: Final answer
    x = 32,810.40

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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.