Home / 39,323.72-54,265.98-21,418.52

Finding the Fourth Proportional to 39,323.72, 54,265.98 and 21,418.52

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Solution

The fourth proportional to 39,323.72, 54,265.98 and 21,418.52 is: 29,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,323.72 : 54,265.98 = 21,418.52 : x
  2. Step 2: Convert to fraction form
    39,323.72/54,265.98 = 21,418.52/x
  3. Step 3: Cross multiply
    39,323.72x = 54,265.98 × 21,418.52
  4. Step 4: Simplify right side
    39,323.72x = 1,162,296,977.95
  5. Step 5: Solve for x
    x = 1,162,296,977.95/39,323.72
  6. Step 6: Final answer
    x = 29,557.15

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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.