Home / 63,285.38-87,355.80-36,438.58

Finding the Fourth Proportional to 63,285.38, 87,355.80 and 36,438.58

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Solution

The fourth proportional to 63,285.38, 87,355.80 and 36,438.58 is: 50,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,285.38 : 87,355.80 = 36,438.58 : x
  2. Step 2: Convert to fraction form
    63,285.38/87,355.80 = 36,438.58/x
  3. Step 3: Cross multiply
    63,285.38x = 87,355.80 × 36,438.58
  4. Step 4: Simplify right side
    63,285.38x = 3,183,121,306.76
  5. Step 5: Solve for x
    x = 3,183,121,306.76/63,285.38
  6. Step 6: Final answer
    x = 50,297.89

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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.