Home / 39,233.72-54,143.60-21,329.93

Finding the Fourth Proportional to 39,233.72, 54,143.60 and 21,329.93

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Solution

The fourth proportional to 39,233.72, 54,143.60 and 21,329.93 is: 29,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,233.72 : 54,143.60 = 21,329.93 : x
  2. Step 2: Convert to fraction form
    39,233.72/54,143.60 = 21,329.93/x
  3. Step 3: Cross multiply
    39,233.72x = 54,143.60 × 21,329.93
  4. Step 4: Simplify right side
    39,233.72x = 1,154,878,820.58
  5. Step 5: Solve for x
    x = 1,154,878,820.58/39,233.72
  6. Step 6: Final answer
    x = 29,435.88

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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.