Home / 35,672.36-49,227.36-20,565.05

Finding the Fourth Proportional to 35,672.36, 49,227.36 and 20,565.05

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Solution

The fourth proportional to 35,672.36, 49,227.36 and 20,565.05 is: 28,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.36 : 49,227.36 = 20,565.05 : x
  2. Step 2: Convert to fraction form
    35,672.36/49,227.36 = 20,565.05/x
  3. Step 3: Cross multiply
    35,672.36x = 49,227.36 × 20,565.05
  4. Step 4: Simplify right side
    35,672.36x = 1,012,363,119.77
  5. Step 5: Solve for x
    x = 1,012,363,119.77/35,672.36
  6. Step 6: Final answer
    x = 28,379.48

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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.