Home / 34,885.68-48,141.23-19,779.78

Finding the Fourth Proportional to 34,885.68, 48,141.23 and 19,779.78

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Solution

The fourth proportional to 34,885.68, 48,141.23 and 19,779.78 is: 27,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,885.68 : 48,141.23 = 19,779.78 : x
  2. Step 2: Convert to fraction form
    34,885.68/48,141.23 = 19,779.78/x
  3. Step 3: Cross multiply
    34,885.68x = 48,141.23 × 19,779.78
  4. Step 4: Simplify right side
    34,885.68x = 952,222,938.33
  5. Step 5: Solve for x
    x = 952,222,938.33/34,885.68
  6. Step 6: Final answer
    x = 27,295.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.