Home / 51,370.36-70,890.86-28,709.33

Finding the Fourth Proportional to 51,370.36, 70,890.86 and 28,709.33

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Solution

The fourth proportional to 51,370.36, 70,890.86 and 28,709.33 is: 39,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.36 : 70,890.86 = 28,709.33 : x
  2. Step 2: Convert to fraction form
    51,370.36/70,890.86 = 28,709.33/x
  3. Step 3: Cross multiply
    51,370.36x = 70,890.86 × 28,709.33
  4. Step 4: Simplify right side
    51,370.36x = 2,035,229,102.14
  5. Step 5: Solve for x
    x = 2,035,229,102.14/51,370.36
  6. Step 6: Final answer
    x = 39,618.74

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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.