Home / 39,128.76-54,004.60-23,221.98

Finding the Fourth Proportional to 39,128.76, 54,004.60 and 23,221.98

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Solution

The fourth proportional to 39,128.76, 54,004.60 and 23,221.98 is: 32,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.76 : 54,004.60 = 23,221.98 : x
  2. Step 2: Convert to fraction form
    39,128.76/54,004.60 = 23,221.98/x
  3. Step 3: Cross multiply
    39,128.76x = 54,004.60 × 23,221.98
  4. Step 4: Simplify right side
    39,128.76x = 1,254,093,741.11
  5. Step 5: Solve for x
    x = 1,254,093,741.11/39,128.76
  6. Step 6: Final answer
    x = 32,050.43

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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.