Home / 39,329.48-54,274.44-21,424.44

Finding the Fourth Proportional to 39,329.48, 54,274.44 and 21,424.44

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Solution

The fourth proportional to 39,329.48, 54,274.44 and 21,424.44 is: 29,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,329.48 : 54,274.44 = 21,424.44 : x
  2. Step 2: Convert to fraction form
    39,329.48/54,274.44 = 21,424.44/x
  3. Step 3: Cross multiply
    39,329.48x = 54,274.44 × 21,424.44
  4. Step 4: Simplify right side
    39,329.48x = 1,162,799,483.31
  5. Step 5: Solve for x
    x = 1,162,799,483.31/39,329.48
  6. Step 6: Final answer
    x = 29,565.60

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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.