Home / 51,433.23-70,971.80-28,773.39

Finding the Fourth Proportional to 51,433.23, 70,971.80 and 28,773.39

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Solution

The fourth proportional to 51,433.23, 70,971.80 and 28,773.39 is: 39,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.23 : 70,971.80 = 28,773.39 : x
  2. Step 2: Convert to fraction form
    51,433.23/70,971.80 = 28,773.39/x
  3. Step 3: Cross multiply
    51,433.23x = 70,971.80 × 28,773.39
  4. Step 4: Simplify right side
    51,433.23x = 2,042,099,136.54
  5. Step 5: Solve for x
    x = 2,042,099,136.54/51,433.23
  6. Step 6: Final answer
    x = 39,703.89

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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.