Home / 51,290.16-70,783.98-28,633.60

Finding the Fourth Proportional to 51,290.16, 70,783.98 and 28,633.60

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Solution

The fourth proportional to 51,290.16, 70,783.98 and 28,633.60 is: 39,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290.16 : 70,783.98 = 28,633.60 : x
  2. Step 2: Convert to fraction form
    51,290.16/70,783.98 = 28,633.60/x
  3. Step 3: Cross multiply
    51,290.16x = 70,783.98 × 28,633.60
  4. Step 4: Simplify right side
    51,290.16x = 2,026,800,026.56
  5. Step 5: Solve for x
    x = 2,026,800,026.56/51,290.16
  6. Step 6: Final answer
    x = 39,516.36

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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.