Home / 47,478.65-65,513.26-27,331.64

Finding the Fourth Proportional to 47,478.65, 65,513.26 and 27,331.64

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Solution

The fourth proportional to 47,478.65, 65,513.26 and 27,331.64 is: 37,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478.65 : 65,513.26 = 27,331.64 : x
  2. Step 2: Convert to fraction form
    47,478.65/65,513.26 = 27,331.64/x
  3. Step 3: Cross multiply
    47,478.65x = 65,513.26 × 27,331.64
  4. Step 4: Simplify right side
    47,478.65x = 1,790,584,837.55
  5. Step 5: Solve for x
    x = 1,790,584,837.55/47,478.65
  6. Step 6: Final answer
    x = 37,713.47

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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.