Home / 31,890.09-44,008.27-17,742.90

Finding the Fourth Proportional to 31,890.09, 44,008.27 and 17,742.90

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Solution

The fourth proportional to 31,890.09, 44,008.27 and 17,742.90 is: 24,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890.09 : 44,008.27 = 17,742.90 : x
  2. Step 2: Convert to fraction form
    31,890.09/44,008.27 = 17,742.90/x
  3. Step 3: Cross multiply
    31,890.09x = 44,008.27 × 17,742.90
  4. Step 4: Simplify right side
    31,890.09x = 780,834,333.78
  5. Step 5: Solve for x
    x = 780,834,333.78/31,890.09
  6. Step 6: Final answer
    x = 24,485.17

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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.