Home / 35,519.23-49,018.17-20,416.78

Finding the Fourth Proportional to 35,519.23, 49,018.17 and 20,416.78

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Solution

The fourth proportional to 35,519.23, 49,018.17 and 20,416.78 is: 28,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,519.23 : 49,018.17 = 20,416.78 : x
  2. Step 2: Convert to fraction form
    35,519.23/49,018.17 = 20,416.78/x
  3. Step 3: Cross multiply
    35,519.23x = 49,018.17 × 20,416.78
  4. Step 4: Simplify right side
    35,519.23x = 1,000,793,192.89
  5. Step 5: Solve for x
    x = 1,000,793,192.89/35,519.23
  6. Step 6: Final answer
    x = 28,176.09

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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.