Home / 45,459.89-68,193.70-13,877.04

Finding the Fourth Proportional to 45,459.89, 68,193.70 and 13,877.04

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Solution

The fourth proportional to 45,459.89, 68,193.70 and 13,877.04 is: 20,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,459.89 : 68,193.70 = 13,877.04 : x
  2. Step 2: Convert to fraction form
    45,459.89/68,193.70 = 13,877.04/x
  3. Step 3: Cross multiply
    45,459.89x = 68,193.70 × 13,877.04
  4. Step 4: Simplify right side
    45,459.89x = 946,326,667.96
  5. Step 5: Solve for x
    x = 946,326,667.96/45,459.89
  6. Step 6: Final answer
    x = 20,816.74

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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.