Home / 54,346.81-81,509.85-16,907.35

Finding the Fourth Proportional to 54,346.81, 81,509.85 and 16,907.35

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Solution

The fourth proportional to 54,346.81, 81,509.85 and 16,907.35 is: 25,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,346.81 : 81,509.85 = 16,907.35 : x
  2. Step 2: Convert to fraction form
    54,346.81/81,509.85 = 16,907.35/x
  3. Step 3: Cross multiply
    54,346.81x = 81,509.85 × 16,907.35
  4. Step 4: Simplify right side
    54,346.81x = 1,378,115,562.40
  5. Step 5: Solve for x
    x = 1,378,115,562.40/54,346.81
  6. Step 6: Final answer
    x = 25,357.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.