Home / 35,555.90-49,066.07-19,640.31

Finding the Fourth Proportional to 35,555.90, 49,066.07 and 19,640.31

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Solution

The fourth proportional to 35,555.90, 49,066.07 and 19,640.31 is: 27,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.90 : 49,066.07 = 19,640.31 : x
  2. Step 2: Convert to fraction form
    35,555.90/49,066.07 = 19,640.31/x
  3. Step 3: Cross multiply
    35,555.90x = 49,066.07 × 19,640.31
  4. Step 4: Simplify right side
    35,555.90x = 963,672,727.08
  5. Step 5: Solve for x
    x = 963,672,727.08/35,555.90
  6. Step 6: Final answer
    x = 27,103.04

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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.