Home / 35,920.42-49,566.82-20,813.66

Finding the Fourth Proportional to 35,920.42, 49,566.82 and 20,813.66

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Solution

The fourth proportional to 35,920.42, 49,566.82 and 20,813.66 is: 28,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.42 : 49,566.82 = 20,813.66 : x
  2. Step 2: Convert to fraction form
    35,920.42/49,566.82 = 20,813.66/x
  3. Step 3: Cross multiply
    35,920.42x = 49,566.82 × 20,813.66
  4. Step 4: Simplify right side
    35,920.42x = 1,031,666,938.76
  5. Step 5: Solve for x
    x = 1,031,666,938.76/35,920.42
  6. Step 6: Final answer
    x = 28,720.90

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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.