Home / 33,721.53-46,535.72-18,614.20

Finding the Fourth Proportional to 33,721.53, 46,535.72 and 18,614.20

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Solution

The fourth proportional to 33,721.53, 46,535.72 and 18,614.20 is: 25,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,721.53 : 46,535.72 = 18,614.20 : x
  2. Step 2: Convert to fraction form
    33,721.53/46,535.72 = 18,614.20/x
  3. Step 3: Cross multiply
    33,721.53x = 46,535.72 × 18,614.20
  4. Step 4: Simplify right side
    33,721.53x = 866,225,106.15
  5. Step 5: Solve for x
    x = 866,225,106.15/33,721.53
  6. Step 6: Final answer
    x = 25,687.60

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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.