Home / 44,303.40-66,474.30-20,917.80

Finding the Fourth Proportional to 44,303.40, 66,474.30 and 20,917.80

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Solution

The fourth proportional to 44,303.40, 66,474.30 and 20,917.80 is: 31,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,303.40 : 66,474.30 = 20,917.80 : x
  2. Step 2: Convert to fraction form
    44,303.40/66,474.30 = 20,917.80/x
  3. Step 3: Cross multiply
    44,303.40x = 66,474.30 × 20,917.80
  4. Step 4: Simplify right side
    44,303.40x = 1,390,496,112.54
  5. Step 5: Solve for x
    x = 1,390,496,112.54/44,303.40
  6. Step 6: Final answer
    x = 31,385.77

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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.