Home / 30,847.42-42,568.70-17,418.23

Finding the Fourth Proportional to 30,847.42, 42,568.70 and 17,418.23

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Solution

The fourth proportional to 30,847.42, 42,568.70 and 17,418.23 is: 24,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.42 : 42,568.70 = 17,418.23 : x
  2. Step 2: Convert to fraction form
    30,847.42/42,568.70 = 17,418.23/x
  3. Step 3: Cross multiply
    30,847.42x = 42,568.70 × 17,418.23
  4. Step 4: Simplify right side
    30,847.42x = 741,471,407.40
  5. Step 5: Solve for x
    x = 741,471,407.40/30,847.42
  6. Step 6: Final answer
    x = 24,036.74

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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.