Home / 35,858.76-49,484.38-19,942.86

Finding the Fourth Proportional to 35,858.76, 49,484.38 and 19,942.86

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Solution

The fourth proportional to 35,858.76, 49,484.38 and 19,942.86 is: 27,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,858.76 : 49,484.38 = 19,942.86 : x
  2. Step 2: Convert to fraction form
    35,858.76/49,484.38 = 19,942.86/x
  3. Step 3: Cross multiply
    35,858.76x = 49,484.38 × 19,942.86
  4. Step 4: Simplify right side
    35,858.76x = 986,859,962.81
  5. Step 5: Solve for x
    x = 986,859,962.81/35,858.76
  6. Step 6: Final answer
    x = 27,520.75

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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.