Home / 35,659.12-49,210.32-19,744.78

Finding the Fourth Proportional to 35,659.12, 49,210.32 and 19,744.78

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Solution

The fourth proportional to 35,659.12, 49,210.32 and 19,744.78 is: 27,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,659.12 : 49,210.32 = 19,744.78 : x
  2. Step 2: Convert to fraction form
    35,659.12/49,210.32 = 19,744.78/x
  3. Step 3: Cross multiply
    35,659.12x = 49,210.32 × 19,744.78
  4. Step 4: Simplify right side
    35,659.12x = 971,646,942.13
  5. Step 5: Solve for x
    x = 971,646,942.13/35,659.12
  6. Step 6: Final answer
    x = 27,248.20

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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.