Home / 31,830.92-43,927.45-17,490.63

Finding the Fourth Proportional to 31,830.92, 43,927.45 and 17,490.63

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Solution

The fourth proportional to 31,830.92, 43,927.45 and 17,490.63 is: 24,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,830.92 : 43,927.45 = 17,490.63 : x
  2. Step 2: Convert to fraction form
    31,830.92/43,927.45 = 17,490.63/x
  3. Step 3: Cross multiply
    31,830.92x = 43,927.45 × 17,490.63
  4. Step 4: Simplify right side
    31,830.92x = 768,318,687.34
  5. Step 5: Solve for x
    x = 768,318,687.34/31,830.92
  6. Step 6: Final answer
    x = 24,137.50

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Double scale
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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.