Home / 53,417.32-80,069.48-20,122.98

Finding the Fourth Proportional to 53,417.32, 80,069.48 and 20,122.98

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Solution

The fourth proportional to 53,417.32, 80,069.48 and 20,122.98 is: 30,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,417.32 : 80,069.48 = 20,122.98 : x
  2. Step 2: Convert to fraction form
    53,417.32/80,069.48 = 20,122.98/x
  3. Step 3: Cross multiply
    53,417.32x = 80,069.48 × 20,122.98
  4. Step 4: Simplify right side
    53,417.32x = 1,611,236,544.65
  5. Step 5: Solve for x
    x = 1,611,236,544.65/53,417.32
  6. Step 6: Final answer
    x = 30,163.19

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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.