Home / 43,972.61-65,935.64-20,259.45

Finding the Fourth Proportional to 43,972.61, 65,935.64 and 20,259.45

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Solution

The fourth proportional to 43,972.61, 65,935.64 and 20,259.45 is: 30,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,972.61 : 65,935.64 = 20,259.45 : x
  2. Step 2: Convert to fraction form
    43,972.61/65,935.64 = 20,259.45/x
  3. Step 3: Cross multiply
    43,972.61x = 65,935.64 × 20,259.45
  4. Step 4: Simplify right side
    43,972.61x = 1,335,819,852.45
  5. Step 5: Solve for x
    x = 1,335,819,852.45/43,972.61
  6. Step 6: Final answer
    x = 30,378.46

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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.