Home / 39,586.69-54,630.48-21,682.45

Finding the Fourth Proportional to 39,586.69, 54,630.48 and 21,682.45

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Solution

The fourth proportional to 39,586.69, 54,630.48 and 21,682.45 is: 29,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.69 : 54,630.48 = 21,682.45 : x
  2. Step 2: Convert to fraction form
    39,586.69/54,630.48 = 21,682.45/x
  3. Step 3: Cross multiply
    39,586.69x = 54,630.48 × 21,682.45
  4. Step 4: Simplify right side
    39,586.69x = 1,184,522,651.08
  5. Step 5: Solve for x
    x = 1,184,522,651.08/39,586.69
  6. Step 6: Final answer
    x = 29,922.25

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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.