Home / 39,234.53-54,142.47-21,329.07

Finding the Fourth Proportional to 39,234.53, 54,142.47 and 21,329.07

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Solution

The fourth proportional to 39,234.53, 54,142.47 and 21,329.07 is: 29,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,234.53 : 54,142.47 = 21,329.07 : x
  2. Step 2: Convert to fraction form
    39,234.53/54,142.47 = 21,329.07/x
  3. Step 3: Cross multiply
    39,234.53x = 54,142.47 × 21,329.07
  4. Step 4: Simplify right side
    39,234.53x = 1,154,808,532.60
  5. Step 5: Solve for x
    x = 1,154,808,532.60/39,234.53
  6. Step 6: Final answer
    x = 29,433.48

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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.