Home / 31,202.54-46,777.88-21,815.72

Finding the Fourth Proportional to 31,202.54, 46,777.88 and 21,815.72

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Solution

The fourth proportional to 31,202.54, 46,777.88 and 21,815.72 is: 32,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202.54 : 46,777.88 = 21,815.72 : x
  2. Step 2: Convert to fraction form
    31,202.54/46,777.88 = 21,815.72/x
  3. Step 3: Cross multiply
    31,202.54x = 46,777.88 × 21,815.72
  4. Step 4: Simplify right side
    31,202.54x = 1,020,493,132.27
  5. Step 5: Solve for x
    x = 1,020,493,132.27/31,202.54
  6. Step 6: Final answer
    x = 32,705.45

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1.5x scale

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.