Home / 35,677.05-49,234.20-20,569.64

Finding the Fourth Proportional to 35,677.05, 49,234.20 and 20,569.64

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Solution

The fourth proportional to 35,677.05, 49,234.20 and 20,569.64 is: 28,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,677.05 : 49,234.20 = 20,569.64 : x
  2. Step 2: Convert to fraction form
    35,677.05/49,234.20 = 20,569.64/x
  3. Step 3: Cross multiply
    35,677.05x = 49,234.20 × 20,569.64
  4. Step 4: Simplify right side
    35,677.05x = 1,012,729,523.52
  5. Step 5: Solve for x
    x = 1,012,729,523.52/35,677.05
  6. Step 6: Final answer
    x = 28,386.02

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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.