Home / 63,428.58-95,153.86-21,312.77

Finding the Fourth Proportional to 63,428.58, 95,153.86 and 21,312.77

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Solution

The fourth proportional to 63,428.58, 95,153.86 and 21,312.77 is: 31,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,428.58 : 95,153.86 = 21,312.77 : x
  2. Step 2: Convert to fraction form
    63,428.58/95,153.86 = 21,312.77/x
  3. Step 3: Cross multiply
    63,428.58x = 95,153.86 × 21,312.77
  4. Step 4: Simplify right side
    63,428.58x = 2,027,992,478.85
  5. Step 5: Solve for x
    x = 2,027,992,478.85/63,428.58
  6. Step 6: Final answer
    x = 31,972.85

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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.