Home / 30,399.29-45,596.64-10,678.01

Finding the Fourth Proportional to 30,399.29, 45,596.64 and 10,678.01

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Solution

The fourth proportional to 30,399.29, 45,596.64 and 10,678.01 is: 16,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,399.29 : 45,596.64 = 10,678.01 : x
  2. Step 2: Convert to fraction form
    30,399.29/45,596.64 = 10,678.01/x
  3. Step 3: Cross multiply
    30,399.29x = 45,596.64 × 10,678.01
  4. Step 4: Simplify right side
    30,399.29x = 486,881,491.88
  5. Step 5: Solve for x
    x = 486,881,491.88/30,399.29
  6. Step 6: Final answer
    x = 16,016.22

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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.