Home / 39,914.83-55,081.65-22,010.32

Finding the Fourth Proportional to 39,914.83, 55,081.65 and 22,010.32

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Solution

The fourth proportional to 39,914.83, 55,081.65 and 22,010.32 is: 30,373.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.83 : 55,081.65 = 22,010.32 : x
  2. Step 2: Convert to fraction form
    39,914.83/55,081.65 = 22,010.32/x
  3. Step 3: Cross multiply
    39,914.83x = 55,081.65 × 22,010.32
  4. Step 4: Simplify right side
    39,914.83x = 1,212,364,742.63
  5. Step 5: Solve for x
    x = 1,212,364,742.63/39,914.83
  6. Step 6: Final answer
    x = 30,373.79

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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.