Home / 31,281.09-43,168.47-17,133.03

Finding the Fourth Proportional to 31,281.09, 43,168.47 and 17,133.03

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Solution

The fourth proportional to 31,281.09, 43,168.47 and 17,133.03 is: 23,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.09 : 43,168.47 = 17,133.03 : x
  2. Step 2: Convert to fraction form
    31,281.09/43,168.47 = 17,133.03/x
  3. Step 3: Cross multiply
    31,281.09x = 43,168.47 × 17,133.03
  4. Step 4: Simplify right side
    31,281.09x = 739,606,691.56
  5. Step 5: Solve for x
    x = 739,606,691.56/31,281.09
  6. Step 6: Final answer
    x = 23,643.89

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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.