Home / 31,423.34-43,363.35-17,993.44

Finding the Fourth Proportional to 31,423.34, 43,363.35 and 17,993.44

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Solution

The fourth proportional to 31,423.34, 43,363.35 and 17,993.44 is: 24,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.34 : 43,363.35 = 17,993.44 : x
  2. Step 2: Convert to fraction form
    31,423.34/43,363.35 = 17,993.44/x
  3. Step 3: Cross multiply
    31,423.34x = 43,363.35 × 17,993.44
  4. Step 4: Simplify right side
    31,423.34x = 780,255,890.63
  5. Step 5: Solve for x
    x = 780,255,890.63/31,423.34
  6. Step 6: Final answer
    x = 24,830.45

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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.