Home / 39,557.34-54,589.23-21,652.47

Finding the Fourth Proportional to 39,557.34, 54,589.23 and 21,652.47

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Solution

The fourth proportional to 39,557.34, 54,589.23 and 21,652.47 is: 29,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,557.34 : 54,589.23 = 21,652.47 : x
  2. Step 2: Convert to fraction form
    39,557.34/54,589.23 = 21,652.47/x
  3. Step 3: Cross multiply
    39,557.34x = 54,589.23 × 21,652.47
  4. Step 4: Simplify right side
    39,557.34x = 1,181,991,664.90
  5. Step 5: Solve for x
    x = 1,181,991,664.90/39,557.34
  6. Step 6: Final answer
    x = 29,880.46

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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.