Home / 35,777.30-53,666.04-12,403.73

Finding the Fourth Proportional to 35,777.30, 53,666.04 and 12,403.73

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Solution

The fourth proportional to 35,777.30, 53,666.04 and 12,403.73 is: 18,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,777.30 : 53,666.04 = 12,403.73 : x
  2. Step 2: Convert to fraction form
    35,777.30/53,666.04 = 12,403.73/x
  3. Step 3: Cross multiply
    35,777.30x = 53,666.04 × 12,403.73
  4. Step 4: Simplify right side
    35,777.30x = 665,659,251.01
  5. Step 5: Solve for x
    x = 665,659,251.01/35,777.30
  6. Step 6: Final answer
    x = 18,605.63

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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.