Home / 33,130.53-45,719.24-18,792.99

Finding the Fourth Proportional to 33,130.53, 45,719.24 and 18,792.99

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Solution

The fourth proportional to 33,130.53, 45,719.24 and 18,792.99 is: 25,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.53 : 45,719.24 = 18,792.99 : x
  2. Step 2: Convert to fraction form
    33,130.53/45,719.24 = 18,792.99/x
  3. Step 3: Cross multiply
    33,130.53x = 45,719.24 × 18,792.99
  4. Step 4: Simplify right side
    33,130.53x = 859,201,126.16
  5. Step 5: Solve for x
    x = 859,201,126.16/33,130.53
  6. Step 6: Final answer
    x = 25,933.82

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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.