Home / 45,575.81-68,365.74-13,983.56

Finding the Fourth Proportional to 45,575.81, 68,365.74 and 13,983.56

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Solution

The fourth proportional to 45,575.81, 68,365.74 and 13,983.56 is: 20,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,575.81 : 68,365.74 = 13,983.56 : x
  2. Step 2: Convert to fraction form
    45,575.81/68,365.74 = 13,983.56/x
  3. Step 3: Cross multiply
    45,575.81x = 68,365.74 × 13,983.56
  4. Step 4: Simplify right side
    45,575.81x = 955,996,427.23
  5. Step 5: Solve for x
    x = 955,996,427.23/45,575.81
  6. Step 6: Final answer
    x = 20,975.96

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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.