Home / 55,240.64-76,232.08-30,090.12

Finding the Fourth Proportional to 55,240.64, 76,232.08 and 30,090.12

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Solution

The fourth proportional to 55,240.64, 76,232.08 and 30,090.12 is: 41,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,240.64 : 76,232.08 = 30,090.12 : x
  2. Step 2: Convert to fraction form
    55,240.64/76,232.08 = 30,090.12/x
  3. Step 3: Cross multiply
    55,240.64x = 76,232.08 × 30,090.12
  4. Step 4: Simplify right side
    55,240.64x = 2,293,832,435.05
  5. Step 5: Solve for x
    x = 2,293,832,435.05/55,240.64
  6. Step 6: Final answer
    x = 41,524.36

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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.