Home / 39,646.38-54,712.08-21,741.51

Finding the Fourth Proportional to 39,646.38, 54,712.08 and 21,741.51

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Solution

The fourth proportional to 39,646.38, 54,712.08 and 21,741.51 is: 30,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.38 : 54,712.08 = 21,741.51 : x
  2. Step 2: Convert to fraction form
    39,646.38/54,712.08 = 21,741.51/x
  3. Step 3: Cross multiply
    39,646.38x = 54,712.08 × 21,741.51
  4. Step 4: Simplify right side
    39,646.38x = 1,189,523,363.18
  5. Step 5: Solve for x
    x = 1,189,523,363.18/39,646.38
  6. Step 6: Final answer
    x = 30,003.33

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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.