Home / 35,540.18-49,048.32-20,437.74

Finding the Fourth Proportional to 35,540.18, 49,048.32 and 20,437.74

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Solution

The fourth proportional to 35,540.18, 49,048.32 and 20,437.74 is: 28,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,540.18 : 49,048.32 = 20,437.74 : x
  2. Step 2: Convert to fraction form
    35,540.18/49,048.32 = 20,437.74/x
  3. Step 3: Cross multiply
    35,540.18x = 49,048.32 × 20,437.74
  4. Step 4: Simplify right side
    35,540.18x = 1,002,436,811.60
  5. Step 5: Solve for x
    x = 1,002,436,811.60/35,540.18
  6. Step 6: Final answer
    x = 28,205.74

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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.