Home / 39,828.83-54,965.25-21,924.59

Finding the Fourth Proportional to 39,828.83, 54,965.25 and 21,924.59

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Solution

The fourth proportional to 39,828.83, 54,965.25 and 21,924.59 is: 30,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,828.83 : 54,965.25 = 21,924.59 : x
  2. Step 2: Convert to fraction form
    39,828.83/54,965.25 = 21,924.59/x
  3. Step 3: Cross multiply
    39,828.83x = 54,965.25 × 21,924.59
  4. Step 4: Simplify right side
    39,828.83x = 1,205,090,570.50
  5. Step 5: Solve for x
    x = 1,205,090,570.50/39,828.83
  6. Step 6: Final answer
    x = 30,256.74

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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.