Home / 39,400.97-54,373.23-21,495.96

Finding the Fourth Proportional to 39,400.97, 54,373.23 and 21,495.96

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Solution

The fourth proportional to 39,400.97, 54,373.23 and 21,495.96 is: 29,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.97 : 54,373.23 = 21,495.96 : x
  2. Step 2: Convert to fraction form
    39,400.97/54,373.23 = 21,495.96/x
  3. Step 3: Cross multiply
    39,400.97x = 54,373.23 × 21,495.96
  4. Step 4: Simplify right side
    39,400.97x = 1,168,804,777.15
  5. Step 5: Solve for x
    x = 1,168,804,777.15/39,400.97
  6. Step 6: Final answer
    x = 29,664.37

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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.