Home / 50,891.83-76,315.47-20,885.49

Finding the Fourth Proportional to 50,891.83, 76,315.47 and 20,885.49

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Solution

The fourth proportional to 50,891.83, 76,315.47 and 20,885.49 is: 31,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.83 : 76,315.47 = 20,885.49 : x
  2. Step 2: Convert to fraction form
    50,891.83/76,315.47 = 20,885.49/x
  3. Step 3: Cross multiply
    50,891.83x = 76,315.47 × 20,885.49
  4. Step 4: Simplify right side
    50,891.83x = 1,593,885,985.53
  5. Step 5: Solve for x
    x = 1,593,885,985.53/50,891.83
  6. Step 6: Final answer
    x = 31,319.09

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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.