Home / 43,970.34-65,932.28-20,257.19

Finding the Fourth Proportional to 43,970.34, 65,932.28 and 20,257.19

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Solution

The fourth proportional to 43,970.34, 65,932.28 and 20,257.19 is: 30,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.34 : 65,932.28 = 20,257.19 : x
  2. Step 2: Convert to fraction form
    43,970.34/65,932.28 = 20,257.19/x
  3. Step 3: Cross multiply
    43,970.34x = 65,932.28 × 20,257.19
  4. Step 4: Simplify right side
    43,970.34x = 1,335,602,615.36
  5. Step 5: Solve for x
    x = 1,335,602,615.36/43,970.34
  6. Step 6: Final answer
    x = 30,375.08

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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.