Home / 55,322.82-76,345.91-30,172.32

Finding the Fourth Proportional to 55,322.82, 76,345.91 and 30,172.32

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Solution

The fourth proportional to 55,322.82, 76,345.91 and 30,172.32 is: 41,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,322.82 : 76,345.91 = 30,172.32 : x
  2. Step 2: Convert to fraction form
    55,322.82/76,345.91 = 30,172.32/x
  3. Step 3: Cross multiply
    55,322.82x = 76,345.91 × 30,172.32
  4. Step 4: Simplify right side
    55,322.82x = 2,303,533,076.35
  5. Step 5: Solve for x
    x = 2,303,533,076.35/55,322.82
  6. Step 6: Final answer
    x = 41,638.03

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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.