Home / 39,427.86-54,410.60-21,523.26

Finding the Fourth Proportional to 39,427.86, 54,410.60 and 21,523.26

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Solution

The fourth proportional to 39,427.86, 54,410.60 and 21,523.26 is: 29,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427.86 : 54,410.60 = 21,523.26 : x
  2. Step 2: Convert to fraction form
    39,427.86/54,410.60 = 21,523.26/x
  3. Step 3: Cross multiply
    39,427.86x = 54,410.60 × 21,523.26
  4. Step 4: Simplify right side
    39,427.86x = 1,171,093,490.56
  5. Step 5: Solve for x
    x = 1,171,093,490.56/39,427.86
  6. Step 6: Final answer
    x = 29,702.18

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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.