Home / 30,676.51-45,996.27-20,010.84

Finding the Fourth Proportional to 30,676.51, 45,996.27 and 20,010.84

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Solution

The fourth proportional to 30,676.51, 45,996.27 and 20,010.84 is: 30,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.51 : 45,996.27 = 20,010.84 : x
  2. Step 2: Convert to fraction form
    30,676.51/45,996.27 = 20,010.84/x
  3. Step 3: Cross multiply
    30,676.51x = 45,996.27 × 20,010.84
  4. Step 4: Simplify right side
    30,676.51x = 920,423,999.57
  5. Step 5: Solve for x
    x = 920,423,999.57/30,676.51
  6. Step 6: Final answer
    x = 30,004.20

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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.