Home / 39,276.50-54,200.24-21,371.04

Finding the Fourth Proportional to 39,276.50, 54,200.24 and 21,371.04

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Solution

The fourth proportional to 39,276.50, 54,200.24 and 21,371.04 is: 29,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,276.50 : 54,200.24 = 21,371.04 : x
  2. Step 2: Convert to fraction form
    39,276.50/54,200.24 = 21,371.04/x
  3. Step 3: Cross multiply
    39,276.50x = 54,200.24 × 21,371.04
  4. Step 4: Simplify right side
    39,276.50x = 1,158,315,470.34
  5. Step 5: Solve for x
    x = 1,158,315,470.34/39,276.50
  6. Step 6: Final answer
    x = 29,491.31

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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.