Home / 43,111.20-64,666.80-29,989.20

Finding the Fourth Proportional to 43,111.20, 64,666.80 and 29,989.20

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Solution

The fourth proportional to 43,111.20, 64,666.80 and 29,989.20 is: 44,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,111.20 : 64,666.80 = 29,989.20 : x
  2. Step 2: Convert to fraction form
    43,111.20/64,666.80 = 29,989.20/x
  3. Step 3: Cross multiply
    43,111.20x = 64,666.80 × 29,989.20
  4. Step 4: Simplify right side
    43,111.20x = 1,939,305,598.56
  5. Step 5: Solve for x
    x = 1,939,305,598.56/43,111.20
  6. Step 6: Final answer
    x = 44,983.80

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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.