Home / 39,557.54-54,589-21,652.36

Finding the Fourth Proportional to 39,557.54, 54,589 and 21,652.36

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Solution

The fourth proportional to 39,557.54, 54,589 and 21,652.36 is: 29,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,557.54 : 54,589 = 21,652.36 : x
  2. Step 2: Convert to fraction form
    39,557.54/54,589 = 21,652.36/x
  3. Step 3: Cross multiply
    39,557.54x = 54,589 × 21,652.36
  4. Step 4: Simplify right side
    39,557.54x = 1,181,980,680.04
  5. Step 5: Solve for x
    x = 1,181,980,680.04/39,557.54
  6. Step 6: Final answer
    x = 29,880.04

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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.