Home / 38,964.08-53,773.18-21,969.89

Finding the Fourth Proportional to 38,964.08, 53,773.18 and 21,969.89

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Solution

The fourth proportional to 38,964.08, 53,773.18 and 21,969.89 is: 30,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,964.08 : 53,773.18 = 21,969.89 : x
  2. Step 2: Convert to fraction form
    38,964.08/53,773.18 = 21,969.89/x
  3. Step 3: Cross multiply
    38,964.08x = 53,773.18 × 21,969.89
  4. Step 4: Simplify right side
    38,964.08x = 1,181,390,849.55
  5. Step 5: Solve for x
    x = 1,181,390,849.55/38,964.08
  6. Step 6: Final answer
    x = 30,320.00

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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.