Home / 35,905.20-53,882.40-12,531.64

Finding the Fourth Proportional to 35,905.20, 53,882.40 and 12,531.64

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Solution

The fourth proportional to 35,905.20, 53,882.40 and 12,531.64 is: 18,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.20 : 53,882.40 = 12,531.64 : x
  2. Step 2: Convert to fraction form
    35,905.20/53,882.40 = 12,531.64/x
  3. Step 3: Cross multiply
    35,905.20x = 53,882.40 × 12,531.64
  4. Step 4: Simplify right side
    35,905.20x = 675,234,704.43
  5. Step 5: Solve for x
    x = 675,234,704.43/35,905.20
  6. Step 6: Final answer
    x = 18,806.04

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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.