Home / 43,018.83-64,525.95-13,433.28

Finding the Fourth Proportional to 43,018.83, 64,525.95 and 13,433.28

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Solution

The fourth proportional to 43,018.83, 64,525.95 and 13,433.28 is: 20,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,018.83 : 64,525.95 = 13,433.28 : x
  2. Step 2: Convert to fraction form
    43,018.83/64,525.95 = 13,433.28/x
  3. Step 3: Cross multiply
    43,018.83x = 64,525.95 × 13,433.28
  4. Step 4: Simplify right side
    43,018.83x = 866,795,153.62
  5. Step 5: Solve for x
    x = 866,795,153.62/43,018.83
  6. Step 6: Final answer
    x = 20,149.20

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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.