Home / 39,172.66-54,056.76-21,267.26

Finding the Fourth Proportional to 39,172.66, 54,056.76 and 21,267.26

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Solution

The fourth proportional to 39,172.66, 54,056.76 and 21,267.26 is: 29,348.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.66 : 54,056.76 = 21,267.26 : x
  2. Step 2: Convert to fraction form
    39,172.66/54,056.76 = 21,267.26/x
  3. Step 3: Cross multiply
    39,172.66x = 54,056.76 × 21,267.26
  4. Step 4: Simplify right side
    39,172.66x = 1,149,639,169.68
  5. Step 5: Solve for x
    x = 1,149,639,169.68/39,172.66
  6. Step 6: Final answer
    x = 29,348.00

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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.