Home / 39,323.63-54,266.76-21,418.48

Finding the Fourth Proportional to 39,323.63, 54,266.76 and 21,418.48

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Solution

The fourth proportional to 39,323.63, 54,266.76 and 21,418.48 is: 29,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,323.63 : 54,266.76 = 21,418.48 : x
  2. Step 2: Convert to fraction form
    39,323.63/54,266.76 = 21,418.48/x
  3. Step 3: Cross multiply
    39,323.63x = 54,266.76 × 21,418.48
  4. Step 4: Simplify right side
    39,323.63x = 1,162,311,276.31
  5. Step 5: Solve for x
    x = 1,162,311,276.31/39,323.63
  6. Step 6: Final answer
    x = 29,557.58

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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.