Home / 39,824.02-54,955.95-21,919.04

Finding the Fourth Proportional to 39,824.02, 54,955.95 and 21,919.04

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Solution

The fourth proportional to 39,824.02, 54,955.95 and 21,919.04 is: 30,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,824.02 : 54,955.95 = 21,919.04 : x
  2. Step 2: Convert to fraction form
    39,824.02/54,955.95 = 21,919.04/x
  3. Step 3: Cross multiply
    39,824.02x = 54,955.95 × 21,919.04
  4. Step 4: Simplify right side
    39,824.02x = 1,204,581,666.29
  5. Step 5: Solve for x
    x = 1,204,581,666.29/39,824.02
  6. Step 6: Final answer
    x = 30,247.62

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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.