Home / 43,572.22-65,352.14-13,986.22

Finding the Fourth Proportional to 43,572.22, 65,352.14 and 13,986.22

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Solution

The fourth proportional to 43,572.22, 65,352.14 and 13,986.22 is: 20,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,572.22 : 65,352.14 = 13,986.22 : x
  2. Step 2: Convert to fraction form
    43,572.22/65,352.14 = 13,986.22/x
  3. Step 3: Cross multiply
    43,572.22x = 65,352.14 × 13,986.22
  4. Step 4: Simplify right side
    43,572.22x = 914,029,407.51
  5. Step 5: Solve for x
    x = 914,029,407.51/43,572.22
  6. Step 6: Final answer
    x = 20,977.34

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1.5x scale

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.