Home / 47,086.56-70,620.84-13,808.16

Finding the Fourth Proportional to 47,086.56, 70,620.84 and 13,808.16

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Solution

The fourth proportional to 47,086.56, 70,620.84 and 13,808.16 is: 20,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,086.56 : 70,620.84 = 13,808.16 : x
  2. Step 2: Convert to fraction form
    47,086.56/70,620.84 = 13,808.16/x
  3. Step 3: Cross multiply
    47,086.56x = 70,620.84 × 13,808.16
  4. Step 4: Simplify right side
    47,086.56x = 975,143,858.05
  5. Step 5: Solve for x
    x = 975,143,858.05/47,086.56
  6. Step 6: Final answer
    x = 20,709.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.