Home / 39,575.93-54,613.08-21,670.61

Finding the Fourth Proportional to 39,575.93, 54,613.08 and 21,670.61

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Solution

The fourth proportional to 39,575.93, 54,613.08 and 21,670.61 is: 29,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575.93 : 54,613.08 = 21,670.61 : x
  2. Step 2: Convert to fraction form
    39,575.93/54,613.08 = 21,670.61/x
  3. Step 3: Cross multiply
    39,575.93x = 54,613.08 × 21,670.61
  4. Step 4: Simplify right side
    39,575.93x = 1,183,498,484.51
  5. Step 5: Solve for x
    x = 1,183,498,484.51/39,575.93
  6. Step 6: Final answer
    x = 29,904.51

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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.