Home / 43,100.98-64,651.36-13,521.04

Finding the Fourth Proportional to 43,100.98, 64,651.36 and 13,521.04

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Solution

The fourth proportional to 43,100.98, 64,651.36 and 13,521.04 is: 20,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,100.98 : 64,651.36 = 13,521.04 : x
  2. Step 2: Convert to fraction form
    43,100.98/64,651.36 = 13,521.04/x
  3. Step 3: Cross multiply
    43,100.98x = 64,651.36 × 13,521.04
  4. Step 4: Simplify right side
    43,100.98x = 874,153,624.61
  5. Step 5: Solve for x
    x = 874,153,624.61/43,100.98
  6. Step 6: Final answer
    x = 20,281.53

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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.