Home / 39,858.05-54,996.05-30,295.40

Finding the Fourth Proportional to 39,858.05, 54,996.05 and 30,295.40

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Solution

The fourth proportional to 39,858.05, 54,996.05 and 30,295.40 is: 41,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.05 : 54,996.05 = 30,295.40 : x
  2. Step 2: Convert to fraction form
    39,858.05/54,996.05 = 30,295.40/x
  3. Step 3: Cross multiply
    39,858.05x = 54,996.05 × 30,295.40
  4. Step 4: Simplify right side
    39,858.05x = 1,666,127,133.93
  5. Step 5: Solve for x
    x = 1,666,127,133.93/39,858.05
  6. Step 6: Final answer
    x = 41,801.52

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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.