Home / 63,215.06-94,821.42-18,871.88

Finding the Fourth Proportional to 63,215.06, 94,821.42 and 18,871.88

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Solution

The fourth proportional to 63,215.06, 94,821.42 and 18,871.88 is: 28,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,215.06 : 94,821.42 = 18,871.88 : x
  2. Step 2: Convert to fraction form
    63,215.06/94,821.42 = 18,871.88/x
  3. Step 3: Cross multiply
    63,215.06x = 94,821.42 × 18,871.88
  4. Step 4: Simplify right side
    63,215.06x = 1,789,458,459.67
  5. Step 5: Solve for x
    x = 1,789,458,459.67/63,215.06
  6. Step 6: Final answer
    x = 28,307.47

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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.