Home / 35,748.77-53,623.15-12,375.20

Finding the Fourth Proportional to 35,748.77, 53,623.15 and 12,375.20

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Solution

The fourth proportional to 35,748.77, 53,623.15 and 12,375.20 is: 18,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,748.77 : 53,623.15 = 12,375.20 : x
  2. Step 2: Convert to fraction form
    35,748.77/53,623.15 = 12,375.20/x
  3. Step 3: Cross multiply
    35,748.77x = 53,623.15 × 12,375.20
  4. Step 4: Simplify right side
    35,748.77x = 663,597,309.00
  5. Step 5: Solve for x
    x = 663,597,309.00/35,748.77
  6. Step 6: Final answer
    x = 18,562.80

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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.