Home / 39,575.55-54,613.53-21,669.69

Finding the Fourth Proportional to 39,575.55, 54,613.53 and 21,669.69

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Solution

The fourth proportional to 39,575.55, 54,613.53 and 21,669.69 is: 29,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575.55 : 54,613.53 = 21,669.69 : x
  2. Step 2: Convert to fraction form
    39,575.55/54,613.53 = 21,669.69/x
  3. Step 3: Cross multiply
    39,575.55x = 54,613.53 × 21,669.69
  4. Step 4: Simplify right side
    39,575.55x = 1,183,458,264.91
  5. Step 5: Solve for x
    x = 1,183,458,264.91/39,575.55
  6. Step 6: Final answer
    x = 29,903.77

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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.