Home / 39,125.37-53,994.23-22,129.28

Finding the Fourth Proportional to 39,125.37, 53,994.23 and 22,129.28

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Solution

The fourth proportional to 39,125.37, 53,994.23 and 22,129.28 is: 30,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125.37 : 53,994.23 = 22,129.28 : x
  2. Step 2: Convert to fraction form
    39,125.37/53,994.23 = 22,129.28/x
  3. Step 3: Cross multiply
    39,125.37x = 53,994.23 × 22,129.28
  4. Step 4: Simplify right side
    39,125.37x = 1,194,853,511.23
  5. Step 5: Solve for x
    x = 1,194,853,511.23/39,125.37
  6. Step 6: Final answer
    x = 30,539.10

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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.