Home / 35,829.24-49,440.78-20,720.76

Finding the Fourth Proportional to 35,829.24, 49,440.78 and 20,720.76

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Solution

The fourth proportional to 35,829.24, 49,440.78 and 20,720.76 is: 28,592.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,829.24 : 49,440.78 = 20,720.76 : x
  2. Step 2: Convert to fraction form
    35,829.24/49,440.78 = 20,720.76/x
  3. Step 3: Cross multiply
    35,829.24x = 49,440.78 × 20,720.76
  4. Step 4: Simplify right side
    35,829.24x = 1,024,450,536.59
  5. Step 5: Solve for x
    x = 1,024,450,536.59/35,829.24
  6. Step 6: Final answer
    x = 28,592.58

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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.