Home / 30,883.02-42,620.28-17,454.84

Finding the Fourth Proportional to 30,883.02, 42,620.28 and 17,454.84

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Solution

The fourth proportional to 30,883.02, 42,620.28 and 17,454.84 is: 24,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,883.02 : 42,620.28 = 17,454.84 : x
  2. Step 2: Convert to fraction form
    30,883.02/42,620.28 = 17,454.84/x
  3. Step 3: Cross multiply
    30,883.02x = 42,620.28 × 17,454.84
  4. Step 4: Simplify right side
    30,883.02x = 743,930,168.16
  5. Step 5: Solve for x
    x = 743,930,168.16/30,883.02
  6. Step 6: Final answer
    x = 24,088.65

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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.