Home / 43,525.80-65,288.70-21,353.40

Finding the Fourth Proportional to 43,525.80, 65,288.70 and 21,353.40

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Solution

The fourth proportional to 43,525.80, 65,288.70 and 21,353.40 is: 32,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,525.80 : 65,288.70 = 21,353.40 : x
  2. Step 2: Convert to fraction form
    43,525.80/65,288.70 = 21,353.40/x
  3. Step 3: Cross multiply
    43,525.80x = 65,288.70 × 21,353.40
  4. Step 4: Simplify right side
    43,525.80x = 1,394,135,726.58
  5. Step 5: Solve for x
    x = 1,394,135,726.58/43,525.80
  6. Step 6: Final answer
    x = 32,030.10

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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.