Home / 35,595.39-49,119.68-19,678.89

Finding the Fourth Proportional to 35,595.39, 49,119.68 and 19,678.89

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Solution

The fourth proportional to 35,595.39, 49,119.68 and 19,678.89 is: 27,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,595.39 : 49,119.68 = 19,678.89 : x
  2. Step 2: Convert to fraction form
    35,595.39/49,119.68 = 19,678.89/x
  3. Step 3: Cross multiply
    35,595.39x = 49,119.68 × 19,678.89
  4. Step 4: Simplify right side
    35,595.39x = 966,620,681.16
  5. Step 5: Solve for x
    x = 966,620,681.16/35,595.39
  6. Step 6: Final answer
    x = 27,155.78

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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.