Home / 35,754.30-49,348.12-20,649.42

Finding the Fourth Proportional to 35,754.30, 49,348.12 and 20,649.42

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Solution

The fourth proportional to 35,754.30, 49,348.12 and 20,649.42 is: 28,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,754.30 : 49,348.12 = 20,649.42 : x
  2. Step 2: Convert to fraction form
    35,754.30/49,348.12 = 20,649.42/x
  3. Step 3: Cross multiply
    35,754.30x = 49,348.12 × 20,649.42
  4. Step 4: Simplify right side
    35,754.30x = 1,019,010,056.09
  5. Step 5: Solve for x
    x = 1,019,010,056.09/35,754.30
  6. Step 6: Final answer
    x = 28,500.35

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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.