Home / 38,992.84-58,493.36-12,699.63

Finding the Fourth Proportional to 38,992.84, 58,493.36 and 12,699.63

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Solution

The fourth proportional to 38,992.84, 58,493.36 and 12,699.63 is: 19,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992.84 : 58,493.36 = 12,699.63 : x
  2. Step 2: Convert to fraction form
    38,992.84/58,493.36 = 12,699.63/x
  3. Step 3: Cross multiply
    38,992.84x = 58,493.36 × 12,699.63
  4. Step 4: Simplify right side
    38,992.84x = 742,843,965.96
  5. Step 5: Solve for x
    x = 742,843,965.96/38,992.84
  6. Step 6: Final answer
    x = 19,050.78

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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.