Home / 39,687.58-54,764.87-23,771.62

Finding the Fourth Proportional to 39,687.58, 54,764.87 and 23,771.62

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Solution

The fourth proportional to 39,687.58, 54,764.87 and 23,771.62 is: 32,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.58 : 54,764.87 = 23,771.62 : x
  2. Step 2: Convert to fraction form
    39,687.58/54,764.87 = 23,771.62/x
  3. Step 3: Cross multiply
    39,687.58x = 54,764.87 × 23,771.62
  4. Step 4: Simplify right side
    39,687.58x = 1,301,849,678.99
  5. Step 5: Solve for x
    x = 1,301,849,678.99/39,687.58
  6. Step 6: Final answer
    x = 32,802.45

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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.