Home / 35,577.50-53,349.84-20,790.95

Finding the Fourth Proportional to 35,577.50, 53,349.84 and 20,790.95

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Solution

The fourth proportional to 35,577.50, 53,349.84 and 20,790.95 is: 31,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,577.50 : 53,349.84 = 20,790.95 : x
  2. Step 2: Convert to fraction form
    35,577.50/53,349.84 = 20,790.95/x
  3. Step 3: Cross multiply
    35,577.50x = 53,349.84 × 20,790.95
  4. Step 4: Simplify right side
    35,577.50x = 1,109,193,589.20
  5. Step 5: Solve for x
    x = 1,109,193,589.20/35,577.50
  6. Step 6: Final answer
    x = 31,176.83

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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.