Home / 30,330.06-45,463.77-13,701.66

Finding the Fourth Proportional to 30,330.06, 45,463.77 and 13,701.66

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Solution

The fourth proportional to 30,330.06, 45,463.77 and 13,701.66 is: 20,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.06 : 45,463.77 = 13,701.66 : x
  2. Step 2: Convert to fraction form
    30,330.06/45,463.77 = 13,701.66/x
  3. Step 3: Cross multiply
    30,330.06x = 45,463.77 × 13,701.66
  4. Step 4: Simplify right side
    30,330.06x = 622,929,118.86
  5. Step 5: Solve for x
    x = 622,929,118.86/30,330.06
  6. Step 6: Final answer
    x = 20,538.34

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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.