Home / 43,546.48-65,315.24-13,985.52

Finding the Fourth Proportional to 43,546.48, 65,315.24 and 13,985.52

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Solution

The fourth proportional to 43,546.48, 65,315.24 and 13,985.52 is: 20,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,546.48 : 65,315.24 = 13,985.52 : x
  2. Step 2: Convert to fraction form
    43,546.48/65,315.24 = 13,985.52/x
  3. Step 3: Cross multiply
    43,546.48x = 65,315.24 × 13,985.52
  4. Step 4: Simplify right side
    43,546.48x = 913,467,595.32
  5. Step 5: Solve for x
    x = 913,467,595.32/43,546.48
  6. Step 6: Final answer
    x = 20,976.84

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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.