Home / 43,311.20-64,966.80-17,007.20

Finding the Fourth Proportional to 43,311.20, 64,966.80 and 17,007.20

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Solution

The fourth proportional to 43,311.20, 64,966.80 and 17,007.20 is: 25,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.20 : 64,966.80 = 17,007.20 : x
  2. Step 2: Convert to fraction form
    43,311.20/64,966.80 = 17,007.20/x
  3. Step 3: Cross multiply
    43,311.20x = 64,966.80 × 17,007.20
  4. Step 4: Simplify right side
    43,311.20x = 1,104,903,360.96
  5. Step 5: Solve for x
    x = 1,104,903,360.96/43,311.20
  6. Step 6: Final answer
    x = 25,510.80

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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.