Home / 30,954.64-42,716.62-17,525.80

Finding the Fourth Proportional to 30,954.64, 42,716.62 and 17,525.80

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Solution

The fourth proportional to 30,954.64, 42,716.62 and 17,525.80 is: 24,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.64 : 42,716.62 = 17,525.80 : x
  2. Step 2: Convert to fraction form
    30,954.64/42,716.62 = 17,525.80/x
  3. Step 3: Cross multiply
    30,954.64x = 42,716.62 × 17,525.80
  4. Step 4: Simplify right side
    30,954.64x = 748,642,938.80
  5. Step 5: Solve for x
    x = 748,642,938.80/30,954.64
  6. Step 6: Final answer
    x = 24,185.16

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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.