Home / 50,847.76-70,170-28,187.10

Finding the Fourth Proportional to 50,847.76, 70,170 and 28,187.10

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Solution

The fourth proportional to 50,847.76, 70,170 and 28,187.10 is: 38,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,847.76 : 70,170 = 28,187.10 : x
  2. Step 2: Convert to fraction form
    50,847.76/70,170 = 28,187.10/x
  3. Step 3: Cross multiply
    50,847.76x = 70,170 × 28,187.10
  4. Step 4: Simplify right side
    50,847.76x = 1,977,888,807
  5. Step 5: Solve for x
    x = 1,977,888,807/50,847.76
  6. Step 6: Final answer
    x = 38,898.25

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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.