Home / 35,912.95-49,559.95-20,000.55

Finding the Fourth Proportional to 35,912.95, 49,559.95 and 20,000.55

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Solution

The fourth proportional to 35,912.95, 49,559.95 and 20,000.55 is: 27,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.95 : 49,559.95 = 20,000.55 : x
  2. Step 2: Convert to fraction form
    35,912.95/49,559.95 = 20,000.55/x
  3. Step 3: Cross multiply
    35,912.95x = 49,559.95 × 20,000.55
  4. Step 4: Simplify right side
    35,912.95x = 991,226,468.82
  5. Step 5: Solve for x
    x = 991,226,468.82/35,912.95
  6. Step 6: Final answer
    x = 27,600.81

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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.