Home / 35,105.91-48,446.15-19,190.47

Finding the Fourth Proportional to 35,105.91, 48,446.15 and 19,190.47

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Solution

The fourth proportional to 35,105.91, 48,446.15 and 19,190.47 is: 26,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.91 : 48,446.15 = 19,190.47 : x
  2. Step 2: Convert to fraction form
    35,105.91/48,446.15 = 19,190.47/x
  3. Step 3: Cross multiply
    35,105.91x = 48,446.15 × 19,190.47
  4. Step 4: Simplify right side
    35,105.91x = 929,704,369.91
  5. Step 5: Solve for x
    x = 929,704,369.91/35,105.91
  6. Step 6: Final answer
    x = 26,482.85

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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.