Home / 30,606.27-45,918.28-10,886.36

Finding the Fourth Proportional to 30,606.27, 45,918.28 and 10,886.36

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Solution

The fourth proportional to 30,606.27, 45,918.28 and 10,886.36 is: 16,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.27 : 45,918.28 = 10,886.36 : x
  2. Step 2: Convert to fraction form
    30,606.27/45,918.28 = 10,886.36/x
  3. Step 3: Cross multiply
    30,606.27x = 45,918.28 × 10,886.36
  4. Step 4: Simplify right side
    30,606.27x = 499,882,710.68
  5. Step 5: Solve for x
    x = 499,882,710.68/30,606.27
  6. Step 6: Final answer
    x = 16,332.69

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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.