Home / 39,204.69-54,102.51-21,299.71

Finding the Fourth Proportional to 39,204.69, 54,102.51 and 21,299.71

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Solution

The fourth proportional to 39,204.69, 54,102.51 and 21,299.71 is: 29,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,204.69 : 54,102.51 = 21,299.71 : x
  2. Step 2: Convert to fraction form
    39,204.69/54,102.51 = 21,299.71/x
  3. Step 3: Cross multiply
    39,204.69x = 54,102.51 × 21,299.71
  4. Step 4: Simplify right side
    39,204.69x = 1,152,367,773.27
  5. Step 5: Solve for x
    x = 1,152,367,773.27/39,204.69
  6. Step 6: Final answer
    x = 29,393.62

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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.