Home / 55,109.36-76,050.60-29,958.32

Finding the Fourth Proportional to 55,109.36, 76,050.60 and 29,958.32

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Solution

The fourth proportional to 55,109.36, 76,050.60 and 29,958.32 is: 41,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,109.36 : 76,050.60 = 29,958.32 : x
  2. Step 2: Convert to fraction form
    55,109.36/76,050.60 = 29,958.32/x
  3. Step 3: Cross multiply
    55,109.36x = 76,050.60 × 29,958.32
  4. Step 4: Simplify right side
    55,109.36x = 2,278,348,210.99
  5. Step 5: Solve for x
    x = 2,278,348,210.99/55,109.36
  6. Step 6: Final answer
    x = 41,342.31

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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.