Home / 29,276.20-43,938.96-12,648.84

Finding the Fourth Proportional to 29,276.20, 43,938.96 and 12,648.84

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Solution

The fourth proportional to 29,276.20, 43,938.96 and 12,648.84 is: 18,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,276.20 : 43,938.96 = 12,648.84 : x
  2. Step 2: Convert to fraction form
    29,276.20/43,938.96 = 12,648.84/x
  3. Step 3: Cross multiply
    29,276.20x = 43,938.96 × 12,648.84
  4. Step 4: Simplify right side
    29,276.20x = 555,776,874.81
  5. Step 5: Solve for x
    x = 555,776,874.81/29,276.20
  6. Step 6: Final answer
    x = 18,983.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.