Home / 30,376.21-45,564.72-10,655.34

Finding the Fourth Proportional to 30,376.21, 45,564.72 and 10,655.34

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Solution

The fourth proportional to 30,376.21, 45,564.72 and 10,655.34 is: 15,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.21 : 45,564.72 = 10,655.34 : x
  2. Step 2: Convert to fraction form
    30,376.21/45,564.72 = 10,655.34/x
  3. Step 3: Cross multiply
    30,376.21x = 45,564.72 × 10,655.34
  4. Step 4: Simplify right side
    30,376.21x = 485,507,583.60
  5. Step 5: Solve for x
    x = 485,507,583.60/30,376.21
  6. Step 6: Final answer
    x = 15,983.15

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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.