Home / 54,610.43-75,364.40-30,739.32

Finding the Fourth Proportional to 54,610.43, 75,364.40 and 30,739.32

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Solution

The fourth proportional to 54,610.43, 75,364.40 and 30,739.32 is: 42,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,610.43 : 75,364.40 = 30,739.32 : x
  2. Step 2: Convert to fraction form
    54,610.43/75,364.40 = 30,739.32/x
  3. Step 3: Cross multiply
    54,610.43x = 75,364.40 × 30,739.32
  4. Step 4: Simplify right side
    54,610.43x = 2,316,650,485.06
  5. Step 5: Solve for x
    x = 2,316,650,485.06/54,610.43
  6. Step 6: Final answer
    x = 42,421.40

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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.