Home / 30,609.09-45,897.69-10,884.78

Finding the Fourth Proportional to 30,609.09, 45,897.69 and 10,884.78

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Solution

The fourth proportional to 30,609.09, 45,897.69 and 10,884.78 is: 16,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,609.09 : 45,897.69 = 10,884.78 : x
  2. Step 2: Convert to fraction form
    30,609.09/45,897.69 = 10,884.78/x
  3. Step 3: Cross multiply
    30,609.09x = 45,897.69 × 10,884.78
  4. Step 4: Simplify right side
    30,609.09x = 499,586,258.16
  5. Step 5: Solve for x
    x = 499,586,258.16/30,609.09
  6. Step 6: Final answer
    x = 16,321.50

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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.