Home / 39,232.84-54,142.39-21,329.08

Finding the Fourth Proportional to 39,232.84, 54,142.39 and 21,329.08

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Solution

The fourth proportional to 39,232.84, 54,142.39 and 21,329.08 is: 29,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,232.84 : 54,142.39 = 21,329.08 : x
  2. Step 2: Convert to fraction form
    39,232.84/54,142.39 = 21,329.08/x
  3. Step 3: Cross multiply
    39,232.84x = 54,142.39 × 21,329.08
  4. Step 4: Simplify right side
    39,232.84x = 1,154,807,096.99
  5. Step 5: Solve for x
    x = 1,154,807,096.99/39,232.84
  6. Step 6: Final answer
    x = 29,434.71

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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.