Home / 38,770.56-58,118.90-12,456.84

Finding the Fourth Proportional to 38,770.56, 58,118.90 and 12,456.84

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Solution

The fourth proportional to 38,770.56, 58,118.90 and 12,456.84 is: 18,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,770.56 : 58,118.90 = 12,456.84 : x
  2. Step 2: Convert to fraction form
    38,770.56/58,118.90 = 12,456.84/x
  3. Step 3: Cross multiply
    38,770.56x = 58,118.90 × 12,456.84
  4. Step 4: Simplify right side
    38,770.56x = 723,977,838.28
  5. Step 5: Solve for x
    x = 723,977,838.28/38,770.56
  6. Step 6: Final answer
    x = 18,673.39

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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.