Home / 47,847.68-66,022.74-28,723.40

Finding the Fourth Proportional to 47,847.68, 66,022.74 and 28,723.40

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Solution

The fourth proportional to 47,847.68, 66,022.74 and 28,723.40 is: 39,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,847.68 : 66,022.74 = 28,723.40 : x
  2. Step 2: Convert to fraction form
    47,847.68/66,022.74 = 28,723.40/x
  3. Step 3: Cross multiply
    47,847.68x = 66,022.74 × 28,723.40
  4. Step 4: Simplify right side
    47,847.68x = 1,896,397,570.12
  5. Step 5: Solve for x
    x = 1,896,397,570.12/47,847.68
  6. Step 6: Final answer
    x = 39,634.05

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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.