Home / 35,687.42-49,246.51-19,770.72

Finding the Fourth Proportional to 35,687.42, 49,246.51 and 19,770.72

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Solution

The fourth proportional to 35,687.42, 49,246.51 and 19,770.72 is: 27,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.42 : 49,246.51 = 19,770.72 : x
  2. Step 2: Convert to fraction form
    35,687.42/49,246.51 = 19,770.72/x
  3. Step 3: Cross multiply
    35,687.42x = 49,246.51 × 19,770.72
  4. Step 4: Simplify right side
    35,687.42x = 973,638,960.19
  5. Step 5: Solve for x
    x = 973,638,960.19/35,687.42
  6. Step 6: Final answer
    x = 27,282.41

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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.