Home / 51,255.36-70,735.67-28,597.77

Finding the Fourth Proportional to 51,255.36, 70,735.67 and 28,597.77

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Solution

The fourth proportional to 51,255.36, 70,735.67 and 28,597.77 is: 39,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,255.36 : 70,735.67 = 28,597.77 : x
  2. Step 2: Convert to fraction form
    51,255.36/70,735.67 = 28,597.77/x
  3. Step 3: Cross multiply
    51,255.36x = 70,735.67 × 28,597.77
  4. Step 4: Simplify right side
    51,255.36x = 2,022,882,421.46
  5. Step 5: Solve for x
    x = 2,022,882,421.46/51,255.36
  6. Step 6: Final answer
    x = 39,466.75

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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.