Home / 51,455.16-71,011.44-28,796.22

Finding the Fourth Proportional to 51,455.16, 71,011.44 and 28,796.22

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Solution

The fourth proportional to 51,455.16, 71,011.44 and 28,796.22 is: 39,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,455.16 : 71,011.44 = 28,796.22 : x
  2. Step 2: Convert to fraction form
    51,455.16/71,011.44 = 28,796.22/x
  3. Step 3: Cross multiply
    51,455.16x = 71,011.44 × 28,796.22
  4. Step 4: Simplify right side
    51,455.16x = 2,044,861,048.76
  5. Step 5: Solve for x
    x = 2,044,861,048.76/51,455.16
  6. Step 6: Final answer
    x = 39,740.64

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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.