Home / 30,589.14-42,216.21-17,164.02

Finding the Fourth Proportional to 30,589.14, 42,216.21 and 17,164.02

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Solution

The fourth proportional to 30,589.14, 42,216.21 and 17,164.02 is: 23,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,589.14 : 42,216.21 = 17,164.02 : x
  2. Step 2: Convert to fraction form
    30,589.14/42,216.21 = 17,164.02/x
  3. Step 3: Cross multiply
    30,589.14x = 42,216.21 × 17,164.02
  4. Step 4: Simplify right side
    30,589.14x = 724,599,872.76
  5. Step 5: Solve for x
    x = 724,599,872.76/30,589.14
  6. Step 6: Final answer
    x = 23,688.14

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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.