Home / 39,323.80-54,267.24-21,418.93

Finding the Fourth Proportional to 39,323.80, 54,267.24 and 21,418.93

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Solution

The fourth proportional to 39,323.80, 54,267.24 and 21,418.93 is: 29,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,323.80 : 54,267.24 = 21,418.93 : x
  2. Step 2: Convert to fraction form
    39,323.80/54,267.24 = 21,418.93/x
  3. Step 3: Cross multiply
    39,323.80x = 54,267.24 × 21,418.93
  4. Step 4: Simplify right side
    39,323.80x = 1,162,346,214.85
  5. Step 5: Solve for x
    x = 1,162,346,214.85/39,323.80
  6. Step 6: Final answer
    x = 29,558.34

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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.