Home / 43,982.28-65,973.45-12,392.34

Finding the Fourth Proportional to 43,982.28, 65,973.45 and 12,392.34

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Solution

The fourth proportional to 43,982.28, 65,973.45 and 12,392.34 is: 18,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,982.28 : 65,973.45 = 12,392.34 : x
  2. Step 2: Convert to fraction form
    43,982.28/65,973.45 = 12,392.34/x
  3. Step 3: Cross multiply
    43,982.28x = 65,973.45 × 12,392.34
  4. Step 4: Simplify right side
    43,982.28x = 817,565,423.37
  5. Step 5: Solve for x
    x = 817,565,423.37/43,982.28
  6. Step 6: Final answer
    x = 18,588.52

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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.