Home / 55,259.69-76,258.38-30,109.19

Finding the Fourth Proportional to 55,259.69, 76,258.38 and 30,109.19

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Solution

The fourth proportional to 55,259.69, 76,258.38 and 30,109.19 is: 41,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,259.69 : 76,258.38 = 30,109.19 : x
  2. Step 2: Convert to fraction form
    55,259.69/76,258.38 = 30,109.19/x
  3. Step 3: Cross multiply
    55,259.69x = 76,258.38 × 30,109.19
  4. Step 4: Simplify right side
    55,259.69x = 2,296,077,861.87
  5. Step 5: Solve for x
    x = 2,296,077,861.87/55,259.69
  6. Step 6: Final answer
    x = 41,550.68

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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.