Home / 61,455.51-92,205.44-21,480.42

Finding the Fourth Proportional to 61,455.51, 92,205.44 and 21,480.42

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Solution

The fourth proportional to 61,455.51, 92,205.44 and 21,480.42 is: 32,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,455.51 : 92,205.44 = 21,480.42 : x
  2. Step 2: Convert to fraction form
    61,455.51/92,205.44 = 21,480.42/x
  3. Step 3: Cross multiply
    61,455.51x = 92,205.44 × 21,480.42
  4. Step 4: Simplify right side
    61,455.51x = 1,980,611,118.42
  5. Step 5: Solve for x
    x = 1,980,611,118.42/61,455.51
  6. Step 6: Final answer
    x = 32,228.37

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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.