Home / 35,540.55-49,048.86-20,438.10

Finding the Fourth Proportional to 35,540.55, 49,048.86 and 20,438.10

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Solution

The fourth proportional to 35,540.55, 49,048.86 and 20,438.10 is: 28,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,540.55 : 49,048.86 = 20,438.10 : x
  2. Step 2: Convert to fraction form
    35,540.55/49,048.86 = 20,438.10/x
  3. Step 3: Cross multiply
    35,540.55x = 49,048.86 × 20,438.10
  4. Step 4: Simplify right side
    35,540.55x = 1,002,465,505.57
  5. Step 5: Solve for x
    x = 1,002,465,505.57/35,540.55
  6. Step 6: Final answer
    x = 28,206.25

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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.