Home / 30,540.08-45,780.96-9,750.08

Finding the Fourth Proportional to 30,540.08, 45,780.96 and 9,750.08

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Solution

The fourth proportional to 30,540.08, 45,780.96 and 9,750.08 is: 14,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540.08 : 45,780.96 = 9,750.08 : x
  2. Step 2: Convert to fraction form
    30,540.08/45,780.96 = 9,750.08/x
  3. Step 3: Cross multiply
    30,540.08x = 45,780.96 × 9,750.08
  4. Step 4: Simplify right side
    30,540.08x = 446,368,022.48
  5. Step 5: Solve for x
    x = 446,368,022.48/30,540.08
  6. Step 6: Final answer
    x = 14,615.81

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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.