Home / 47,464.88-71,162.16-28,740.51

Finding the Fourth Proportional to 47,464.88, 71,162.16 and 28,740.51

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Solution

The fourth proportional to 47,464.88, 71,162.16 and 28,740.51 is: 43,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,464.88 : 71,162.16 = 28,740.51 : x
  2. Step 2: Convert to fraction form
    47,464.88/71,162.16 = 28,740.51/x
  3. Step 3: Cross multiply
    47,464.88x = 71,162.16 × 28,740.51
  4. Step 4: Simplify right side
    47,464.88x = 2,045,236,771.10
  5. Step 5: Solve for x
    x = 2,045,236,771.10/47,464.88
  6. Step 6: Final answer
    x = 43,089.48

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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.