Home / 54,440.64-75,131.01-30,570.75

Finding the Fourth Proportional to 54,440.64, 75,131.01 and 30,570.75

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Solution

The fourth proportional to 54,440.64, 75,131.01 and 30,570.75 is: 42,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440.64 : 75,131.01 = 30,570.75 : x
  2. Step 2: Convert to fraction form
    54,440.64/75,131.01 = 30,570.75/x
  3. Step 3: Cross multiply
    54,440.64x = 75,131.01 × 30,570.75
  4. Step 4: Simplify right side
    54,440.64x = 2,296,811,323.96
  5. Step 5: Solve for x
    x = 2,296,811,323.96/54,440.64
  6. Step 6: Final answer
    x = 42,189.28

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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.