Home / 39,460.23-54,454.22-21,555.31

Finding the Fourth Proportional to 39,460.23, 54,454.22 and 21,555.31

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Solution

The fourth proportional to 39,460.23, 54,454.22 and 21,555.31 is: 29,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,460.23 : 54,454.22 = 21,555.31 : x
  2. Step 2: Convert to fraction form
    39,460.23/54,454.22 = 21,555.31/x
  3. Step 3: Cross multiply
    39,460.23x = 54,454.22 × 21,555.31
  4. Step 4: Simplify right side
    39,460.23x = 1,173,777,810.58
  5. Step 5: Solve for x
    x = 1,173,777,810.58/39,460.23
  6. Step 6: Final answer
    x = 29,745.84

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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.