Home / 32,640.24-45,027.51-21,304.50

Finding the Fourth Proportional to 32,640.24, 45,027.51 and 21,304.50

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Solution

The fourth proportional to 32,640.24, 45,027.51 and 21,304.50 is: 29,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.24 : 45,027.51 = 21,304.50 : x
  2. Step 2: Convert to fraction form
    32,640.24/45,027.51 = 21,304.50/x
  3. Step 3: Cross multiply
    32,640.24x = 45,027.51 × 21,304.50
  4. Step 4: Simplify right side
    32,640.24x = 959,288,586.80
  5. Step 5: Solve for x
    x = 959,288,586.80/32,640.24
  6. Step 6: Final answer
    x = 29,389.75

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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.