Home / 63,721.04-87,945.90-36,879.89

Finding the Fourth Proportional to 63,721.04, 87,945.90 and 36,879.89

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Solution

The fourth proportional to 63,721.04, 87,945.90 and 36,879.89 is: 50,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,721.04 : 87,945.90 = 36,879.89 : x
  2. Step 2: Convert to fraction form
    63,721.04/87,945.90 = 36,879.89/x
  3. Step 3: Cross multiply
    63,721.04x = 87,945.90 × 36,879.89
  4. Step 4: Simplify right side
    63,721.04x = 3,243,435,117.95
  5. Step 5: Solve for x
    x = 3,243,435,117.95/63,721.04
  6. Step 6: Final answer
    x = 50,900.54

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1.5x scale

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.