Home / 54,402.81-75,076.86-30,530.94

Finding the Fourth Proportional to 54,402.81, 75,076.86 and 30,530.94

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Solution

The fourth proportional to 54,402.81, 75,076.86 and 30,530.94 is: 42,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,402.81 : 75,076.86 = 30,530.94 : x
  2. Step 2: Convert to fraction form
    54,402.81/75,076.86 = 30,530.94/x
  3. Step 3: Cross multiply
    54,402.81x = 75,076.86 × 30,530.94
  4. Step 4: Simplify right side
    54,402.81x = 2,292,167,108.05
  5. Step 5: Solve for x
    x = 2,292,167,108.05/54,402.81
  6. Step 6: Final answer
    x = 42,133.25

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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.