Home / 37,630.34-51,931.46-21,500.31

Finding the Fourth Proportional to 37,630.34, 51,931.46 and 21,500.31

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Solution

The fourth proportional to 37,630.34, 51,931.46 and 21,500.31 is: 29,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.34 : 51,931.46 = 21,500.31 : x
  2. Step 2: Convert to fraction form
    37,630.34/51,931.46 = 21,500.31/x
  3. Step 3: Cross multiply
    37,630.34x = 51,931.46 × 21,500.31
  4. Step 4: Simplify right side
    37,630.34x = 1,116,542,229.10
  5. Step 5: Solve for x
    x = 1,116,542,229.10/37,630.34
  6. Step 6: Final answer
    x = 29,671.33

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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.