Home / 30,738.16-42,439.44-23,214.88

Finding the Fourth Proportional to 30,738.16, 42,439.44 and 23,214.88

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Solution

The fourth proportional to 30,738.16, 42,439.44 and 23,214.88 is: 32,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,738.16 : 42,439.44 = 23,214.88 : x
  2. Step 2: Convert to fraction form
    30,738.16/42,439.44 = 23,214.88/x
  3. Step 3: Cross multiply
    30,738.16x = 42,439.44 × 23,214.88
  4. Step 4: Simplify right side
    30,738.16x = 985,226,506.87
  5. Step 5: Solve for x
    x = 985,226,506.87/30,738.16
  6. Step 6: Final answer
    x = 32,052.23

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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.