Home / 47,394.51-71,064.63-38,051.78

Finding the Fourth Proportional to 47,394.51, 71,064.63 and 38,051.78

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Solution

The fourth proportional to 47,394.51, 71,064.63 and 38,051.78 is: 57,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,394.51 : 71,064.63 = 38,051.78 : x
  2. Step 2: Convert to fraction form
    47,394.51/71,064.63 = 38,051.78/x
  3. Step 3: Cross multiply
    47,394.51x = 71,064.63 × 38,051.78
  4. Step 4: Simplify right side
    47,394.51x = 2,704,135,311.22
  5. Step 5: Solve for x
    x = 2,704,135,311.22/47,394.51
  6. Step 6: Final answer
    x = 57,055.88

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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.