Home / 51,178.28-76,777.90-21,596.12

Finding the Fourth Proportional to 51,178.28, 76,777.90 and 21,596.12

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Solution

The fourth proportional to 51,178.28, 76,777.90 and 21,596.12 is: 32,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178.28 : 76,777.90 = 21,596.12 : x
  2. Step 2: Convert to fraction form
    51,178.28/76,777.90 = 21,596.12/x
  3. Step 3: Cross multiply
    51,178.28x = 76,777.90 × 21,596.12
  4. Step 4: Simplify right side
    51,178.28x = 1,658,104,741.75
  5. Step 5: Solve for x
    x = 1,658,104,741.75/51,178.28
  6. Step 6: Final answer
    x = 32,398.60

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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.