Home / 55,770.34-76,960.38-31,899.64

Finding the Fourth Proportional to 55,770.34, 76,960.38 and 31,899.64

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Solution

The fourth proportional to 55,770.34, 76,960.38 and 31,899.64 is: 44,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.34 : 76,960.38 = 31,899.64 : x
  2. Step 2: Convert to fraction form
    55,770.34/76,960.38 = 31,899.64/x
  3. Step 3: Cross multiply
    55,770.34x = 76,960.38 × 31,899.64
  4. Step 4: Simplify right side
    55,770.34x = 2,455,008,416.26
  5. Step 5: Solve for x
    x = 2,455,008,416.26/55,770.34
  6. Step 6: Final answer
    x = 44,019.97

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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.