Home / 47,078.08-70,614.96-13,796.80

Finding the Fourth Proportional to 47,078.08, 70,614.96 and 13,796.80

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Solution

The fourth proportional to 47,078.08, 70,614.96 and 13,796.80 is: 20,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.08 : 70,614.96 = 13,796.80 : x
  2. Step 2: Convert to fraction form
    47,078.08/70,614.96 = 13,796.80/x
  3. Step 3: Cross multiply
    47,078.08x = 70,614.96 × 13,796.80
  4. Step 4: Simplify right side
    47,078.08x = 974,260,480.13
  5. Step 5: Solve for x
    x = 974,260,480.13/47,078.08
  6. Step 6: Final answer
    x = 20,694.57

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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.