Home / 30,301.55-45,473.07-10,580.09

Finding the Fourth Proportional to 30,301.55, 45,473.07 and 10,580.09

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Solution

The fourth proportional to 30,301.55, 45,473.07 and 10,580.09 is: 15,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.55 : 45,473.07 = 10,580.09 : x
  2. Step 2: Convert to fraction form
    30,301.55/45,473.07 = 10,580.09/x
  3. Step 3: Cross multiply
    30,301.55x = 45,473.07 × 10,580.09
  4. Step 4: Simplify right side
    30,301.55x = 481,108,945.81
  5. Step 5: Solve for x
    x = 481,108,945.81/30,301.55
  6. Step 6: Final answer
    x = 15,877.37

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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.