Home / 39,028.08-53,858.75-21,123.23

Finding the Fourth Proportional to 39,028.08, 53,858.75 and 21,123.23

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Solution

The fourth proportional to 39,028.08, 53,858.75 and 21,123.23 is: 29,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028.08 : 53,858.75 = 21,123.23 : x
  2. Step 2: Convert to fraction form
    39,028.08/53,858.75 = 21,123.23/x
  3. Step 3: Cross multiply
    39,028.08x = 53,858.75 × 21,123.23
  4. Step 4: Simplify right side
    39,028.08x = 1,137,670,751.22
  5. Step 5: Solve for x
    x = 1,137,670,751.22/39,028.08
  6. Step 6: Final answer
    x = 29,150.06

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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.