Home / 35,777.30-53,665.96-12,403.74

Finding the Fourth Proportional to 35,777.30, 53,665.96 and 12,403.74

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Solution

The fourth proportional to 35,777.30, 53,665.96 and 12,403.74 is: 18,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,777.30 : 53,665.96 = 12,403.74 : x
  2. Step 2: Convert to fraction form
    35,777.30/53,665.96 = 12,403.74/x
  3. Step 3: Cross multiply
    35,777.30x = 53,665.96 × 12,403.74
  4. Step 4: Simplify right side
    35,777.30x = 665,658,614.69
  5. Step 5: Solve for x
    x = 665,658,614.69/35,777.30
  6. Step 6: Final answer
    x = 18,605.61

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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.