Home / 50,485.85-69,669.55-27,515.87

Finding the Fourth Proportional to 50,485.85, 69,669.55 and 27,515.87

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Solution

The fourth proportional to 50,485.85, 69,669.55 and 27,515.87 is: 37,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485.85 : 69,669.55 = 27,515.87 : x
  2. Step 2: Convert to fraction form
    50,485.85/69,669.55 = 27,515.87/x
  3. Step 3: Cross multiply
    50,485.85x = 69,669.55 × 27,515.87
  4. Step 4: Simplify right side
    50,485.85x = 1,917,018,280.76
  5. Step 5: Solve for x
    x = 1,917,018,280.76/50,485.85
  6. Step 6: Final answer
    x = 37,971.40

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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.