Home / 34,723.98-47,919.15-18,808.56

Finding the Fourth Proportional to 34,723.98, 47,919.15 and 18,808.56

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Solution

The fourth proportional to 34,723.98, 47,919.15 and 18,808.56 is: 25,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.98 : 47,919.15 = 18,808.56 : x
  2. Step 2: Convert to fraction form
    34,723.98/47,919.15 = 18,808.56/x
  3. Step 3: Cross multiply
    34,723.98x = 47,919.15 × 18,808.56
  4. Step 4: Simplify right side
    34,723.98x = 901,290,207.92
  5. Step 5: Solve for x
    x = 901,290,207.92/34,723.98
  6. Step 6: Final answer
    x = 25,955.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.