Home / 39,588.06-54,631.68-21,682.92

Finding the Fourth Proportional to 39,588.06, 54,631.68 and 21,682.92

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Solution

The fourth proportional to 39,588.06, 54,631.68 and 21,682.92 is: 29,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,588.06 : 54,631.68 = 21,682.92 : x
  2. Step 2: Convert to fraction form
    39,588.06/54,631.68 = 21,682.92/x
  3. Step 3: Cross multiply
    39,588.06x = 54,631.68 × 21,682.92
  4. Step 4: Simplify right side
    39,588.06x = 1,184,574,346.91
  5. Step 5: Solve for x
    x = 1,184,574,346.91/39,588.06
  6. Step 6: Final answer
    x = 29,922.52

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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.