Home / 39,784.56-59,590.44-38,678.64

Finding the Fourth Proportional to 39,784.56, 59,590.44 and 38,678.64

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Solution

The fourth proportional to 39,784.56, 59,590.44 and 38,678.64 is: 57,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.56 : 59,590.44 = 38,678.64 : x
  2. Step 2: Convert to fraction form
    39,784.56/59,590.44 = 38,678.64/x
  3. Step 3: Cross multiply
    39,784.56x = 59,590.44 × 38,678.64
  4. Step 4: Simplify right side
    39,784.56x = 2,304,877,176.20
  5. Step 5: Solve for x
    x = 2,304,877,176.20/39,784.56
  6. Step 6: Final answer
    x = 57,933.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.