Home / 35,558.76-49,070.16-19,640.64

Finding the Fourth Proportional to 35,558.76, 49,070.16 and 19,640.64

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Solution

The fourth proportional to 35,558.76, 49,070.16 and 19,640.64 is: 27,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,558.76 : 49,070.16 = 19,640.64 : x
  2. Step 2: Convert to fraction form
    35,558.76/49,070.16 = 19,640.64/x
  3. Step 3: Cross multiply
    35,558.76x = 49,070.16 × 19,640.64
  4. Step 4: Simplify right side
    35,558.76x = 963,769,347.30
  5. Step 5: Solve for x
    x = 963,769,347.30/35,558.76
  6. Step 6: Final answer
    x = 27,103.57

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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.