Home / 31,081.41-42,892.68-17,652.99

Finding the Fourth Proportional to 31,081.41, 42,892.68 and 17,652.99

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Solution

The fourth proportional to 31,081.41, 42,892.68 and 17,652.99 is: 24,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,081.41 : 42,892.68 = 17,652.99 : x
  2. Step 2: Convert to fraction form
    31,081.41/42,892.68 = 17,652.99/x
  3. Step 3: Cross multiply
    31,081.41x = 42,892.68 × 17,652.99
  4. Step 4: Simplify right side
    31,081.41x = 757,184,051.11
  5. Step 5: Solve for x
    x = 757,184,051.11/31,081.41
  6. Step 6: Final answer
    x = 24,361.32

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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.