Home / 54,289.84-74,922.96-30,090.31

Finding the Fourth Proportional to 54,289.84, 74,922.96 and 30,090.31

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Solution

The fourth proportional to 54,289.84, 74,922.96 and 30,090.31 is: 41,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.84 : 74,922.96 = 30,090.31 : x
  2. Step 2: Convert to fraction form
    54,289.84/74,922.96 = 30,090.31/x
  3. Step 3: Cross multiply
    54,289.84x = 74,922.96 × 30,090.31
  4. Step 4: Simplify right side
    54,289.84x = 2,254,454,905.21
  5. Step 5: Solve for x
    x = 2,254,454,905.21/54,289.84
  6. Step 6: Final answer
    x = 41,526.28

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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.