Home / 56,622.35-84,941.73-21,080.77

Finding the Fourth Proportional to 56,622.35, 84,941.73 and 21,080.77

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Solution

The fourth proportional to 56,622.35, 84,941.73 and 21,080.77 is: 31,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,622.35 : 84,941.73 = 21,080.77 : x
  2. Step 2: Convert to fraction form
    56,622.35/84,941.73 = 21,080.77/x
  3. Step 3: Cross multiply
    56,622.35x = 84,941.73 × 21,080.77
  4. Step 4: Simplify right side
    56,622.35x = 1,790,636,861.18
  5. Step 5: Solve for x
    x = 1,790,636,861.18/56,622.35
  6. Step 6: Final answer
    x = 31,624.20

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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.