Home / 76,355.56-114,416.45-31,958.15

Finding the Fourth Proportional to 76,355.56, 114,416.45 and 31,958.15

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Solution

The fourth proportional to 76,355.56, 114,416.45 and 31,958.15 is: 47,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,355.56 : 114,416.45 = 31,958.15 : x
  2. Step 2: Convert to fraction form
    76,355.56/114,416.45 = 31,958.15/x
  3. Step 3: Cross multiply
    76,355.56x = 114,416.45 × 31,958.15
  4. Step 4: Simplify right side
    76,355.56x = 3,656,537,459.54
  5. Step 5: Solve for x
    x = 3,656,537,459.54/76,355.56
  6. Step 6: Final answer
    x = 47,888.29

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1.5x scale

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.