Home / 35,555.70-49,066.38-19,640.28

Finding the Fourth Proportional to 35,555.70, 49,066.38 and 19,640.28

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Solution

The fourth proportional to 35,555.70, 49,066.38 and 19,640.28 is: 27,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.70 : 49,066.38 = 19,640.28 : x
  2. Step 2: Convert to fraction form
    35,555.70/49,066.38 = 19,640.28/x
  3. Step 3: Cross multiply
    35,555.70x = 49,066.38 × 19,640.28
  4. Step 4: Simplify right side
    35,555.70x = 963,677,441.79
  5. Step 5: Solve for x
    x = 963,677,441.79/35,555.70
  6. Step 6: Final answer
    x = 27,103.32

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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.