Home / 31,461.93-43,419.60-17,315.70

Finding the Fourth Proportional to 31,461.93, 43,419.60 and 17,315.70

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Solution

The fourth proportional to 31,461.93, 43,419.60 and 17,315.70 is: 23,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.93 : 43,419.60 = 17,315.70 : x
  2. Step 2: Convert to fraction form
    31,461.93/43,419.60 = 17,315.70/x
  3. Step 3: Cross multiply
    31,461.93x = 43,419.60 × 17,315.70
  4. Step 4: Simplify right side
    31,461.93x = 751,840,767.72
  5. Step 5: Solve for x
    x = 751,840,767.72/31,461.93
  6. Step 6: Final answer
    x = 23,896.84

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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.