Home / 35,690.71-49,253.53-19,775.13

Finding the Fourth Proportional to 35,690.71, 49,253.53 and 19,775.13

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Solution

The fourth proportional to 35,690.71, 49,253.53 and 19,775.13 is: 27,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.71 : 49,253.53 = 19,775.13 : x
  2. Step 2: Convert to fraction form
    35,690.71/49,253.53 = 19,775.13/x
  3. Step 3: Cross multiply
    35,690.71x = 49,253.53 × 19,775.13
  4. Step 4: Simplify right side
    35,690.71x = 973,994,958.71
  5. Step 5: Solve for x
    x = 973,994,958.71/35,690.71
  6. Step 6: Final answer
    x = 27,289.87

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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.