Home / 30,492.93-45,708.40-20,633.20

Finding the Fourth Proportional to 30,492.93, 45,708.40 and 20,633.20

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Solution

The fourth proportional to 30,492.93, 45,708.40 and 20,633.20 is: 30,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,492.93 : 45,708.40 = 20,633.20 : x
  2. Step 2: Convert to fraction form
    30,492.93/45,708.40 = 20,633.20/x
  3. Step 3: Cross multiply
    30,492.93x = 45,708.40 × 20,633.20
  4. Step 4: Simplify right side
    30,492.93x = 943,110,558.88
  5. Step 5: Solve for x
    x = 943,110,558.88/30,492.93
  6. Step 6: Final answer
    x = 30,928.83

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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.