Home / 53,004.90-73,211.67-39,635.64

Finding the Fourth Proportional to 53,004.90, 73,211.67 and 39,635.64

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Solution

The fourth proportional to 53,004.90, 73,211.67 and 39,635.64 is: 54,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.90 : 73,211.67 = 39,635.64 : x
  2. Step 2: Convert to fraction form
    53,004.90/73,211.67 = 39,635.64/x
  3. Step 3: Cross multiply
    53,004.90x = 73,211.67 × 39,635.64
  4. Step 4: Simplify right side
    53,004.90x = 2,901,791,395.92
  5. Step 5: Solve for x
    x = 2,901,791,395.92/53,004.90
  6. Step 6: Final answer
    x = 54,745.72

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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.