Home / 35,342.21-48,764.35-21,000.95

Finding the Fourth Proportional to 35,342.21, 48,764.35 and 21,000.95

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Solution

The fourth proportional to 35,342.21, 48,764.35 and 21,000.95 is: 28,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.21 : 48,764.35 = 21,000.95 : x
  2. Step 2: Convert to fraction form
    35,342.21/48,764.35 = 21,000.95/x
  3. Step 3: Cross multiply
    35,342.21x = 48,764.35 × 21,000.95
  4. Step 4: Simplify right side
    35,342.21x = 1,024,097,676.13
  5. Step 5: Solve for x
    x = 1,024,097,676.13/35,342.21
  6. Step 6: Final answer
    x = 28,976.62

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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.