Home / 35,693.35-49,257.12-19,778.07

Finding the Fourth Proportional to 35,693.35, 49,257.12 and 19,778.07

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Solution

The fourth proportional to 35,693.35, 49,257.12 and 19,778.07 is: 27,293.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,693.35 : 49,257.12 = 19,778.07 : x
  2. Step 2: Convert to fraction form
    35,693.35/49,257.12 = 19,778.07/x
  3. Step 3: Cross multiply
    35,693.35x = 49,257.12 × 19,778.07
  4. Step 4: Simplify right side
    35,693.35x = 974,210,594.77
  5. Step 5: Solve for x
    x = 974,210,594.77/35,693.35
  6. Step 6: Final answer
    x = 27,293.89

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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.