Home / 40,820.76-61,244.37-20,029.68

Finding the Fourth Proportional to 40,820.76, 61,244.37 and 20,029.68

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Solution

The fourth proportional to 40,820.76, 61,244.37 and 20,029.68 is: 30,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.76 : 61,244.37 = 20,029.68 : x
  2. Step 2: Convert to fraction form
    40,820.76/61,244.37 = 20,029.68/x
  3. Step 3: Cross multiply
    40,820.76x = 61,244.37 × 20,029.68
  4. Step 4: Simplify right side
    40,820.76x = 1,226,705,132.90
  5. Step 5: Solve for x
    x = 1,226,705,132.90/40,820.76
  6. Step 6: Final answer
    x = 30,051.01

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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.