Home / 47,463.49-71,160.09-28,739.12

Finding the Fourth Proportional to 47,463.49, 71,160.09 and 28,739.12

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Solution

The fourth proportional to 47,463.49, 71,160.09 and 28,739.12 is: 43,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,463.49 : 71,160.09 = 28,739.12 : x
  2. Step 2: Convert to fraction form
    47,463.49/71,160.09 = 28,739.12/x
  3. Step 3: Cross multiply
    47,463.49x = 71,160.09 × 28,739.12
  4. Step 4: Simplify right side
    47,463.49x = 2,045,078,365.72
  5. Step 5: Solve for x
    x = 2,045,078,365.72/47,463.49
  6. Step 6: Final answer
    x = 43,087.40

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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.