Home / 39,557.94-54,590.47-21,652.56

Finding the Fourth Proportional to 39,557.94, 54,590.47 and 21,652.56

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Solution

The fourth proportional to 39,557.94, 54,590.47 and 21,652.56 is: 29,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,557.94 : 54,590.47 = 21,652.56 : x
  2. Step 2: Convert to fraction form
    39,557.94/54,590.47 = 21,652.56/x
  3. Step 3: Cross multiply
    39,557.94x = 54,590.47 × 21,652.56
  4. Step 4: Simplify right side
    39,557.94x = 1,182,023,427.10
  5. Step 5: Solve for x
    x = 1,182,023,427.10/39,557.94
  6. Step 6: Final answer
    x = 29,880.81

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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.