Home / 35,770.20-49,370.50-20,665.32

Finding the Fourth Proportional to 35,770.20, 49,370.50 and 20,665.32

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Solution

The fourth proportional to 35,770.20, 49,370.50 and 20,665.32 is: 28,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,770.20 : 49,370.50 = 20,665.32 : x
  2. Step 2: Convert to fraction form
    35,770.20/49,370.50 = 20,665.32/x
  3. Step 3: Cross multiply
    35,770.20x = 49,370.50 × 20,665.32
  4. Step 4: Simplify right side
    35,770.20x = 1,020,257,181.06
  5. Step 5: Solve for x
    x = 1,020,257,181.06/35,770.20
  6. Step 6: Final answer
    x = 28,522.55

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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.