Home / 35,824.25-49,438.46-20,715.45

Finding the Fourth Proportional to 35,824.25, 49,438.46 and 20,715.45

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Solution

The fourth proportional to 35,824.25, 49,438.46 and 20,715.45 is: 28,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,824.25 : 49,438.46 = 20,715.45 : x
  2. Step 2: Convert to fraction form
    35,824.25/49,438.46 = 20,715.45/x
  3. Step 3: Cross multiply
    35,824.25x = 49,438.46 × 20,715.45
  4. Step 4: Simplify right side
    35,824.25x = 1,024,139,998.00
  5. Step 5: Solve for x
    x = 1,024,139,998.00/35,824.25
  6. Step 6: Final answer
    x = 28,587.90

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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.