Home / 35,081.18-48,425.88-21,657.86

Finding the Fourth Proportional to 35,081.18, 48,425.88 and 21,657.86

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Solution

The fourth proportional to 35,081.18, 48,425.88 and 21,657.86 is: 29,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,081.18 : 48,425.88 = 21,657.86 : x
  2. Step 2: Convert to fraction form
    35,081.18/48,425.88 = 21,657.86/x
  3. Step 3: Cross multiply
    35,081.18x = 48,425.88 × 21,657.86
  4. Step 4: Simplify right side
    35,081.18x = 1,048,800,929.42
  5. Step 5: Solve for x
    x = 1,048,800,929.42/35,081.18
  6. Step 6: Final answer
    x = 29,896.40

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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.