Home / 54,308.21-74,941.22-30,430.26

Finding the Fourth Proportional to 54,308.21, 74,941.22 and 30,430.26

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Solution

The fourth proportional to 54,308.21, 74,941.22 and 30,430.26 is: 41,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,308.21 : 74,941.22 = 30,430.26 : x
  2. Step 2: Convert to fraction form
    54,308.21/74,941.22 = 30,430.26/x
  3. Step 3: Cross multiply
    54,308.21x = 74,941.22 × 30,430.26
  4. Step 4: Simplify right side
    54,308.21x = 2,280,480,885.39
  5. Step 5: Solve for x
    x = 2,280,480,885.39/54,308.21
  6. Step 6: Final answer
    x = 41,991.46

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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.