Home / 52,548.94-78,828.30-20,951.35

Finding the Fourth Proportional to 52,548.94, 78,828.30 and 20,951.35

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Solution

The fourth proportional to 52,548.94, 78,828.30 and 20,951.35 is: 31,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,548.94 : 78,828.30 = 20,951.35 : x
  2. Step 2: Convert to fraction form
    52,548.94/78,828.30 = 20,951.35/x
  3. Step 3: Cross multiply
    52,548.94x = 78,828.30 × 20,951.35
  4. Step 4: Simplify right side
    52,548.94x = 1,651,559,303.21
  5. Step 5: Solve for x
    x = 1,651,559,303.21/52,548.94
  6. Step 6: Final answer
    x = 31,428.97

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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.