Home / 35,685.42-49,248.87-19,771.35

Finding the Fourth Proportional to 35,685.42, 49,248.87 and 19,771.35

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Solution

The fourth proportional to 35,685.42, 49,248.87 and 19,771.35 is: 27,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.42 : 49,248.87 = 19,771.35 : x
  2. Step 2: Convert to fraction form
    35,685.42/49,248.87 = 19,771.35/x
  3. Step 3: Cross multiply
    35,685.42x = 49,248.87 × 19,771.35
  4. Step 4: Simplify right side
    35,685.42x = 973,716,645.87
  5. Step 5: Solve for x
    x = 973,716,645.87/35,685.42
  6. Step 6: Final answer
    x = 27,286.12

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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.