Home / 35,647.80-49,195.13-20,539.29

Finding the Fourth Proportional to 35,647.80, 49,195.13 and 20,539.29

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Solution

The fourth proportional to 35,647.80, 49,195.13 and 20,539.29 is: 28,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.80 : 49,195.13 = 20,539.29 : x
  2. Step 2: Convert to fraction form
    35,647.80/49,195.13 = 20,539.29/x
  3. Step 3: Cross multiply
    35,647.80x = 49,195.13 × 20,539.29
  4. Step 4: Simplify right side
    35,647.80x = 1,010,432,938.96
  5. Step 5: Solve for x
    x = 1,010,432,938.96/35,647.80
  6. Step 6: Final answer
    x = 28,344.89

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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.