Home / 47,488.86-65,507.26-30,229.31

Finding the Fourth Proportional to 47,488.86, 65,507.26 and 30,229.31

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Solution

The fourth proportional to 47,488.86, 65,507.26 and 30,229.31 is: 41,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,488.86 : 65,507.26 = 30,229.31 : x
  2. Step 2: Convert to fraction form
    47,488.86/65,507.26 = 30,229.31/x
  3. Step 3: Cross multiply
    47,488.86x = 65,507.26 × 30,229.31
  4. Step 4: Simplify right side
    47,488.86x = 1,980,239,269.79
  5. Step 5: Solve for x
    x = 1,980,239,269.79/47,488.86
  6. Step 6: Final answer
    x = 41,699.03

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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.