Home / 52,611.36-72,605.40-28,739.44

Finding the Fourth Proportional to 52,611.36, 72,605.40 and 28,739.44

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Solution

The fourth proportional to 52,611.36, 72,605.40 and 28,739.44 is: 39,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,611.36 : 72,605.40 = 28,739.44 : x
  2. Step 2: Convert to fraction form
    52,611.36/72,605.40 = 28,739.44/x
  3. Step 3: Cross multiply
    52,611.36x = 72,605.40 × 28,739.44
  4. Step 4: Simplify right side
    52,611.36x = 2,086,638,536.98
  5. Step 5: Solve for x
    x = 2,086,638,536.98/52,611.36
  6. Step 6: Final answer
    x = 39,661.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.