Home / 55,651.06-76,798.77-30,157.54

Finding the Fourth Proportional to 55,651.06, 76,798.77 and 30,157.54

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Solution

The fourth proportional to 55,651.06, 76,798.77 and 30,157.54 is: 41,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.06 : 76,798.77 = 30,157.54 : x
  2. Step 2: Convert to fraction form
    55,651.06/76,798.77 = 30,157.54/x
  3. Step 3: Cross multiply
    55,651.06x = 76,798.77 × 30,157.54
  4. Step 4: Simplify right side
    55,651.06x = 2,316,061,978.23
  5. Step 5: Solve for x
    x = 2,316,061,978.23/55,651.06
  6. Step 6: Final answer
    x = 41,617.57

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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.