Home / 32,660.64-45,047.73-21,311.94

Finding the Fourth Proportional to 32,660.64, 45,047.73 and 21,311.94

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Solution

The fourth proportional to 32,660.64, 45,047.73 and 21,311.94 is: 29,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,660.64 : 45,047.73 = 21,311.94 : x
  2. Step 2: Convert to fraction form
    32,660.64/45,047.73 = 21,311.94/x
  3. Step 3: Cross multiply
    32,660.64x = 45,047.73 × 21,311.94
  4. Step 4: Simplify right side
    32,660.64x = 960,054,518.90
  5. Step 5: Solve for x
    x = 960,054,518.90/32,660.64
  6. Step 6: Final answer
    x = 29,394.85

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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.