Home / 35,555.68-49,066.86-19,640.80

Finding the Fourth Proportional to 35,555.68, 49,066.86 and 19,640.80

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Solution

The fourth proportional to 35,555.68, 49,066.86 and 19,640.80 is: 27,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.68 : 49,066.86 = 19,640.80 : x
  2. Step 2: Convert to fraction form
    35,555.68/49,066.86 = 19,640.80/x
  3. Step 3: Cross multiply
    35,555.68x = 49,066.86 × 19,640.80
  4. Step 4: Simplify right side
    35,555.68x = 963,712,383.89
  5. Step 5: Solve for x
    x = 963,712,383.89/35,555.68
  6. Step 6: Final answer
    x = 27,104.32

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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.