Home / 55,210.72-76,190.88-30,060.32

Finding the Fourth Proportional to 55,210.72, 76,190.88 and 30,060.32

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Solution

The fourth proportional to 55,210.72, 76,190.88 and 30,060.32 is: 41,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.72 : 76,190.88 = 30,060.32 : x
  2. Step 2: Convert to fraction form
    55,210.72/76,190.88 = 30,060.32/x
  3. Step 3: Cross multiply
    55,210.72x = 76,190.88 × 30,060.32
  4. Step 4: Simplify right side
    55,210.72x = 2,290,322,233.88
  5. Step 5: Solve for x
    x = 2,290,322,233.88/55,210.72
  6. Step 6: Final answer
    x = 41,483.29

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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.