Home / 34,769.79-52,154.15-13,992.75

Finding the Fourth Proportional to 34,769.79, 52,154.15 and 13,992.75

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Solution

The fourth proportional to 34,769.79, 52,154.15 and 13,992.75 is: 20,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,769.79 : 52,154.15 = 13,992.75 : x
  2. Step 2: Convert to fraction form
    34,769.79/52,154.15 = 13,992.75/x
  3. Step 3: Cross multiply
    34,769.79x = 52,154.15 × 13,992.75
  4. Step 4: Simplify right side
    34,769.79x = 729,779,912.45
  5. Step 5: Solve for x
    x = 729,779,912.45/34,769.79
  6. Step 6: Final answer
    x = 20,988.91

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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.