Home / 47,329.92-65,303.64-28,928.37

Finding the Fourth Proportional to 47,329.92, 65,303.64 and 28,928.37

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Solution

The fourth proportional to 47,329.92, 65,303.64 and 28,928.37 is: 39,914.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,329.92 : 65,303.64 = 28,928.37 : x
  2. Step 2: Convert to fraction form
    47,329.92/65,303.64 = 28,928.37/x
  3. Step 3: Cross multiply
    47,329.92x = 65,303.64 × 28,928.37
  4. Step 4: Simplify right side
    47,329.92x = 1,889,127,860.27
  5. Step 5: Solve for x
    x = 1,889,127,860.27/47,329.92
  6. Step 6: Final answer
    x = 39,914.03

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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.