Home / 39,329.92-54,273.40-21,424.84

Finding the Fourth Proportional to 39,329.92, 54,273.40 and 21,424.84

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Solution

The fourth proportional to 39,329.92, 54,273.40 and 21,424.84 is: 29,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,329.92 : 54,273.40 = 21,424.84 : x
  2. Step 2: Convert to fraction form
    39,329.92/54,273.40 = 21,424.84/x
  3. Step 3: Cross multiply
    39,329.92x = 54,273.40 × 21,424.84
  4. Step 4: Simplify right side
    39,329.92x = 1,162,798,911.26
  5. Step 5: Solve for x
    x = 1,162,798,911.26/39,329.92
  6. Step 6: Final answer
    x = 29,565.25

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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.