Home / 55,313.36-76,331.76-30,162.32

Finding the Fourth Proportional to 55,313.36, 76,331.76 and 30,162.32

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Solution

The fourth proportional to 55,313.36, 76,331.76 and 30,162.32 is: 41,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,313.36 : 76,331.76 = 30,162.32 : x
  2. Step 2: Convert to fraction form
    55,313.36/76,331.76 = 30,162.32/x
  3. Step 3: Cross multiply
    55,313.36x = 76,331.76 × 30,162.32
  4. Step 4: Simplify right side
    55,313.36x = 2,302,342,971.28
  5. Step 5: Solve for x
    x = 2,302,342,971.28/55,313.36
  6. Step 6: Final answer
    x = 41,623.63

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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.