Home / 43,628.54-65,444.69-13,643.35

Finding the Fourth Proportional to 43,628.54, 65,444.69 and 13,643.35

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Solution

The fourth proportional to 43,628.54, 65,444.69 and 13,643.35 is: 20,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,628.54 : 65,444.69 = 13,643.35 : x
  2. Step 2: Convert to fraction form
    43,628.54/65,444.69 = 13,643.35/x
  3. Step 3: Cross multiply
    43,628.54x = 65,444.69 × 13,643.35
  4. Step 4: Simplify right side
    43,628.54x = 892,884,647.70
  5. Step 5: Solve for x
    x = 892,884,647.70/43,628.54
  6. Step 6: Final answer
    x = 20,465.61

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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.