Home / 52,682.36-72,700.98-31,489.88

Finding the Fourth Proportional to 52,682.36, 72,700.98 and 31,489.88

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Solution

The fourth proportional to 52,682.36, 72,700.98 and 31,489.88 is: 43,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,682.36 : 72,700.98 = 31,489.88 : x
  2. Step 2: Convert to fraction form
    52,682.36/72,700.98 = 31,489.88/x
  3. Step 3: Cross multiply
    52,682.36x = 72,700.98 × 31,489.88
  4. Step 4: Simplify right side
    52,682.36x = 2,289,345,136.08
  5. Step 5: Solve for x
    x = 2,289,345,136.08/52,682.36
  6. Step 6: Final answer
    x = 43,455.63

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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.