Home / 51,051.03-70,450.49-28,389.54

Finding the Fourth Proportional to 51,051.03, 70,450.49 and 28,389.54

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Solution

The fourth proportional to 51,051.03, 70,450.49 and 28,389.54 is: 39,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.03 : 70,450.49 = 28,389.54 : x
  2. Step 2: Convert to fraction form
    51,051.03/70,450.49 = 28,389.54/x
  3. Step 3: Cross multiply
    51,051.03x = 70,450.49 × 28,389.54
  4. Step 4: Simplify right side
    51,051.03x = 2,000,056,861.93
  5. Step 5: Solve for x
    x = 2,000,056,861.93/51,051.03
  6. Step 6: Final answer
    x = 39,177.60

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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.