Home / 49,758.90-68,666.58-28,248.45

Finding the Fourth Proportional to 49,758.90, 68,666.58 and 28,248.45

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Solution

The fourth proportional to 49,758.90, 68,666.58 and 28,248.45 is: 38,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,758.90 : 68,666.58 = 28,248.45 : x
  2. Step 2: Convert to fraction form
    49,758.90/68,666.58 = 28,248.45/x
  3. Step 3: Cross multiply
    49,758.90x = 68,666.58 × 28,248.45
  4. Step 4: Simplify right side
    49,758.90x = 1,939,724,451.80
  5. Step 5: Solve for x
    x = 1,939,724,451.80/49,758.90
  6. Step 6: Final answer
    x = 38,982.46

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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.