Home / 35,824.43-49,438.72-20,715.64

Finding the Fourth Proportional to 35,824.43, 49,438.72 and 20,715.64

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Solution

The fourth proportional to 35,824.43, 49,438.72 and 20,715.64 is: 28,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,824.43 : 49,438.72 = 20,715.64 : x
  2. Step 2: Convert to fraction form
    35,824.43/49,438.72 = 20,715.64/x
  3. Step 3: Cross multiply
    35,824.43x = 49,438.72 × 20,715.64
  4. Step 4: Simplify right side
    35,824.43x = 1,024,154,627.88
  5. Step 5: Solve for x
    x = 1,024,154,627.88/35,824.43
  6. Step 6: Final answer
    x = 28,588.16

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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.