Home / 30,895.20-42,635.22-16,748.16

Finding the Fourth Proportional to 30,895.20, 42,635.22 and 16,748.16

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Solution

The fourth proportional to 30,895.20, 42,635.22 and 16,748.16 is: 23,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,895.20 : 42,635.22 = 16,748.16 : x
  2. Step 2: Convert to fraction form
    30,895.20/42,635.22 = 16,748.16/x
  3. Step 3: Cross multiply
    30,895.20x = 42,635.22 × 16,748.16
  4. Step 4: Simplify right side
    30,895.20x = 714,061,486.20
  5. Step 5: Solve for x
    x = 714,061,486.20/30,895.20
  6. Step 6: Final answer
    x = 23,112.38

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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.