Home / 39,575.13-54,613.47-21,669.81

Finding the Fourth Proportional to 39,575.13, 54,613.47 and 21,669.81

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Solution

The fourth proportional to 39,575.13, 54,613.47 and 21,669.81 is: 29,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575.13 : 54,613.47 = 21,669.81 : x
  2. Step 2: Convert to fraction form
    39,575.13/54,613.47 = 21,669.81/x
  3. Step 3: Cross multiply
    39,575.13x = 54,613.47 × 21,669.81
  4. Step 4: Simplify right side
    39,575.13x = 1,183,463,518.34
  5. Step 5: Solve for x
    x = 1,183,463,518.34/39,575.13
  6. Step 6: Final answer
    x = 29,904.22

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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.