Home / 39,932.40-59,905.80-16,561.20

Finding the Fourth Proportional to 39,932.40, 59,905.80 and 16,561.20

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Solution

The fourth proportional to 39,932.40, 59,905.80 and 16,561.20 is: 24,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.40 : 59,905.80 = 16,561.20 : x
  2. Step 2: Convert to fraction form
    39,932.40/59,905.80 = 16,561.20/x
  3. Step 3: Cross multiply
    39,932.40x = 59,905.80 × 16,561.20
  4. Step 4: Simplify right side
    39,932.40x = 992,111,934.96
  5. Step 5: Solve for x
    x = 992,111,934.96/39,932.40
  6. Step 6: Final answer
    x = 24,844.79

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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.