Home / 31,356.88-43,271.52-17,209.36

Finding the Fourth Proportional to 31,356.88, 43,271.52 and 17,209.36

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Solution

The fourth proportional to 31,356.88, 43,271.52 and 17,209.36 is: 23,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,356.88 : 43,271.52 = 17,209.36 : x
  2. Step 2: Convert to fraction form
    31,356.88/43,271.52 = 17,209.36/x
  3. Step 3: Cross multiply
    31,356.88x = 43,271.52 × 17,209.36
  4. Step 4: Simplify right side
    31,356.88x = 744,675,165.43
  5. Step 5: Solve for x
    x = 744,675,165.43/31,356.88
  6. Step 6: Final answer
    x = 23,748.38

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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.