Home / 31,633.74-43,651.17-17,485.74

Finding the Fourth Proportional to 31,633.74, 43,651.17 and 17,485.74

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Solution

The fourth proportional to 31,633.74, 43,651.17 and 17,485.74 is: 24,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,633.74 : 43,651.17 = 17,485.74 : x
  2. Step 2: Convert to fraction form
    31,633.74/43,651.17 = 17,485.74/x
  3. Step 3: Cross multiply
    31,633.74x = 43,651.17 × 17,485.74
  4. Step 4: Simplify right side
    31,633.74x = 763,273,009.32
  5. Step 5: Solve for x
    x = 763,273,009.32/31,633.74
  6. Step 6: Final answer
    x = 24,128.45

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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.