Home / 30,463.16-45,678.22-13,814.10

Finding the Fourth Proportional to 30,463.16, 45,678.22 and 13,814.10

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Solution

The fourth proportional to 30,463.16, 45,678.22 and 13,814.10 is: 20,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,463.16 : 45,678.22 = 13,814.10 : x
  2. Step 2: Convert to fraction form
    30,463.16/45,678.22 = 13,814.10/x
  3. Step 3: Cross multiply
    30,463.16x = 45,678.22 × 13,814.10
  4. Step 4: Simplify right side
    30,463.16x = 631,003,464.37
  5. Step 5: Solve for x
    x = 631,003,464.37/30,463.16
  6. Step 6: Final answer
    x = 20,713.66

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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.