Home / 30,019.12-41,431.53-17,451.16

Finding the Fourth Proportional to 30,019.12, 41,431.53 and 17,451.16

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Solution

The fourth proportional to 30,019.12, 41,431.53 and 17,451.16 is: 24,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.12 : 41,431.53 = 17,451.16 : x
  2. Step 2: Convert to fraction form
    30,019.12/41,431.53 = 17,451.16/x
  3. Step 3: Cross multiply
    30,019.12x = 41,431.53 × 17,451.16
  4. Step 4: Simplify right side
    30,019.12x = 723,028,259.07
  5. Step 5: Solve for x
    x = 723,028,259.07/30,019.12
  6. Step 6: Final answer
    x = 24,085.59

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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.