Home / 45,248.58-67,872.96-13,667.69

Finding the Fourth Proportional to 45,248.58, 67,872.96 and 13,667.69

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Solution

The fourth proportional to 45,248.58, 67,872.96 and 13,667.69 is: 20,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,248.58 : 67,872.96 = 13,667.69 : x
  2. Step 2: Convert to fraction form
    45,248.58/67,872.96 = 13,667.69/x
  3. Step 3: Cross multiply
    45,248.58x = 67,872.96 × 13,667.69
  4. Step 4: Simplify right side
    45,248.58x = 927,666,237.30
  5. Step 5: Solve for x
    x = 927,666,237.30/45,248.58
  6. Step 6: Final answer
    x = 20,501.55

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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.