Home / 31,296.42-43,188.90-16,956.18

Finding the Fourth Proportional to 31,296.42, 43,188.90 and 16,956.18

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Solution

The fourth proportional to 31,296.42, 43,188.90 and 16,956.18 is: 23,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.42 : 43,188.90 = 16,956.18 : x
  2. Step 2: Convert to fraction form
    31,296.42/43,188.90 = 16,956.18/x
  3. Step 3: Cross multiply
    31,296.42x = 43,188.90 × 16,956.18
  4. Step 4: Simplify right side
    31,296.42x = 732,318,762.40
  5. Step 5: Solve for x
    x = 732,318,762.40/31,296.42
  6. Step 6: Final answer
    x = 23,399.44

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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.