Home / 76,372.12-114,602.84-31,995.12

Finding the Fourth Proportional to 76,372.12, 114,602.84 and 31,995.12

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Solution

The fourth proportional to 76,372.12, 114,602.84 and 31,995.12 is: 48,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,372.12 : 114,602.84 = 31,995.12 : x
  2. Step 2: Convert to fraction form
    76,372.12/114,602.84 = 31,995.12/x
  3. Step 3: Cross multiply
    76,372.12x = 114,602.84 × 31,995.12
  4. Step 4: Simplify right side
    76,372.12x = 3,666,731,618.14
  5. Step 5: Solve for x
    x = 3,666,731,618.14/76,372.12
  6. Step 6: Final answer
    x = 48,011.39

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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.