Home / 39,941.14-55,118.40-22,036.30

Finding the Fourth Proportional to 39,941.14, 55,118.40 and 22,036.30

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Solution

The fourth proportional to 39,941.14, 55,118.40 and 22,036.30 is: 30,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.14 : 55,118.40 = 22,036.30 : x
  2. Step 2: Convert to fraction form
    39,941.14/55,118.40 = 22,036.30/x
  3. Step 3: Cross multiply
    39,941.14x = 55,118.40 × 22,036.30
  4. Step 4: Simplify right side
    39,941.14x = 1,214,605,597.92
  5. Step 5: Solve for x
    x = 1,214,605,597.92/39,941.14
  6. Step 6: Final answer
    x = 30,409.89

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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.