Home / 35,685.51-49,245.35-19,769.61

Finding the Fourth Proportional to 35,685.51, 49,245.35 and 19,769.61

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Solution

The fourth proportional to 35,685.51, 49,245.35 and 19,769.61 is: 27,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.51 : 49,245.35 = 19,769.61 : x
  2. Step 2: Convert to fraction form
    35,685.51/49,245.35 = 19,769.61/x
  3. Step 3: Cross multiply
    35,685.51x = 49,245.35 × 19,769.61
  4. Step 4: Simplify right side
    35,685.51x = 973,561,264.97
  5. Step 5: Solve for x
    x = 973,561,264.97/35,685.51
  6. Step 6: Final answer
    x = 27,281.70

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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.