Home / 39,557.44-54,589.78-21,652.06

Finding the Fourth Proportional to 39,557.44, 54,589.78 and 21,652.06

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Solution

The fourth proportional to 39,557.44, 54,589.78 and 21,652.06 is: 29,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,557.44 : 54,589.78 = 21,652.06 : x
  2. Step 2: Convert to fraction form
    39,557.44/54,589.78 = 21,652.06/x
  3. Step 3: Cross multiply
    39,557.44x = 54,589.78 × 21,652.06
  4. Step 4: Simplify right side
    39,557.44x = 1,181,980,810.74
  5. Step 5: Solve for x
    x = 1,181,980,810.74/39,557.44
  6. Step 6: Final answer
    x = 29,880.12

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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.