Home / 30,546.32-42,154.43-17,799.21

Finding the Fourth Proportional to 30,546.32, 42,154.43 and 17,799.21

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Solution

The fourth proportional to 30,546.32, 42,154.43 and 17,799.21 is: 24,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,546.32 : 42,154.43 = 17,799.21 : x
  2. Step 2: Convert to fraction form
    30,546.32/42,154.43 = 17,799.21/x
  3. Step 3: Cross multiply
    30,546.32x = 42,154.43 × 17,799.21
  4. Step 4: Simplify right side
    30,546.32x = 750,315,463.00
  5. Step 5: Solve for x
    x = 750,315,463.00/30,546.32
  6. Step 6: Final answer
    x = 24,563.21

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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.