Home / 47,339.62-65,313.42-31,427.14

Finding the Fourth Proportional to 47,339.62, 65,313.42 and 31,427.14

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Solution

The fourth proportional to 47,339.62, 65,313.42 and 31,427.14 is: 43,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,339.62 : 65,313.42 = 31,427.14 : x
  2. Step 2: Convert to fraction form
    47,339.62/65,313.42 = 31,427.14/x
  3. Step 3: Cross multiply
    47,339.62x = 65,313.42 × 31,427.14
  4. Step 4: Simplify right side
    47,339.62x = 2,052,613,994.22
  5. Step 5: Solve for x
    x = 2,052,613,994.22/47,339.62
  6. Step 6: Final answer
    x = 43,359.33

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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.