Home / 31,355.48-43,269.72-17,209.64

Finding the Fourth Proportional to 31,355.48, 43,269.72 and 17,209.64

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Solution

The fourth proportional to 31,355.48, 43,269.72 and 17,209.64 is: 23,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.48 : 43,269.72 = 17,209.64 : x
  2. Step 2: Convert to fraction form
    31,355.48/43,269.72 = 17,209.64/x
  3. Step 3: Cross multiply
    31,355.48x = 43,269.72 × 17,209.64
  4. Step 4: Simplify right side
    31,355.48x = 744,656,304.10
  5. Step 5: Solve for x
    x = 744,656,304.10/31,355.48
  6. Step 6: Final answer
    x = 23,748.84

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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.