Home / 31,526.90-43,507.41-17,380.25

Finding the Fourth Proportional to 31,526.90, 43,507.41 and 17,380.25

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Solution

The fourth proportional to 31,526.90, 43,507.41 and 17,380.25 is: 23,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.90 : 43,507.41 = 17,380.25 : x
  2. Step 2: Convert to fraction form
    31,526.90/43,507.41 = 17,380.25/x
  3. Step 3: Cross multiply
    31,526.90x = 43,507.41 × 17,380.25
  4. Step 4: Simplify right side
    31,526.90x = 756,169,640.86
  5. Step 5: Solve for x
    x = 756,169,640.86/31,526.90
  6. Step 6: Final answer
    x = 23,984.90

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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.