Home / 35,703.08-49,270.68-19,787.49

Finding the Fourth Proportional to 35,703.08, 49,270.68 and 19,787.49

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Solution

The fourth proportional to 35,703.08, 49,270.68 and 19,787.49 is: 27,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.08 : 49,270.68 = 19,787.49 : x
  2. Step 2: Convert to fraction form
    35,703.08/49,270.68 = 19,787.49/x
  3. Step 3: Cross multiply
    35,703.08x = 49,270.68 × 19,787.49
  4. Step 4: Simplify right side
    35,703.08x = 974,943,087.79
  5. Step 5: Solve for x
    x = 974,943,087.79/35,703.08
  6. Step 6: Final answer
    x = 27,306.98

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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.