Home / 38,477.09-57,723.08-14,782.88

Finding the Fourth Proportional to 38,477.09, 57,723.08 and 14,782.88

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Solution

The fourth proportional to 38,477.09, 57,723.08 and 14,782.88 is: 22,177.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.09 : 57,723.08 = 14,782.88 : x
  2. Step 2: Convert to fraction form
    38,477.09/57,723.08 = 14,782.88/x
  3. Step 3: Cross multiply
    38,477.09x = 57,723.08 × 14,782.88
  4. Step 4: Simplify right side
    38,477.09x = 853,313,002.34
  5. Step 5: Solve for x
    x = 853,313,002.34/38,477.09
  6. Step 6: Final answer
    x = 22,177.17

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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.