Home / 38,955.94-58,448.49-20,224.28

Finding the Fourth Proportional to 38,955.94, 58,448.49 and 20,224.28

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Solution

The fourth proportional to 38,955.94, 58,448.49 and 20,224.28 is: 30,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,955.94 : 58,448.49 = 20,224.28 : x
  2. Step 2: Convert to fraction form
    38,955.94/58,448.49 = 20,224.28/x
  3. Step 3: Cross multiply
    38,955.94x = 58,448.49 × 20,224.28
  4. Step 4: Simplify right side
    38,955.94x = 1,182,078,697.62
  5. Step 5: Solve for x
    x = 1,182,078,697.62/38,955.94
  6. Step 6: Final answer
    x = 30,343.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.