Home / 39,575.24-54,613.80-21,670.23

Finding the Fourth Proportional to 39,575.24, 54,613.80 and 21,670.23

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Solution

The fourth proportional to 39,575.24, 54,613.80 and 21,670.23 is: 29,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575.24 : 54,613.80 = 21,670.23 : x
  2. Step 2: Convert to fraction form
    39,575.24/54,613.80 = 21,670.23/x
  3. Step 3: Cross multiply
    39,575.24x = 54,613.80 × 21,670.23
  4. Step 4: Simplify right side
    39,575.24x = 1,183,493,607.17
  5. Step 5: Solve for x
    x = 1,183,493,607.17/39,575.24
  6. Step 6: Final answer
    x = 29,904.90

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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.