Home / 30,610.09-45,899.19-10,885.78

Finding the Fourth Proportional to 30,610.09, 45,899.19 and 10,885.78

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Solution

The fourth proportional to 30,610.09, 45,899.19 and 10,885.78 is: 16,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610.09 : 45,899.19 = 10,885.78 : x
  2. Step 2: Convert to fraction form
    30,610.09/45,899.19 = 10,885.78/x
  3. Step 3: Cross multiply
    30,610.09x = 45,899.19 × 10,885.78
  4. Step 4: Simplify right side
    30,610.09x = 499,648,484.52
  5. Step 5: Solve for x
    x = 499,648,484.52/30,610.09
  6. Step 6: Final answer
    x = 16,323.00

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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.