Home / 52,072.08-78,089.28-18,783.19

Finding the Fourth Proportional to 52,072.08, 78,089.28 and 18,783.19

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Solution

The fourth proportional to 52,072.08, 78,089.28 and 18,783.19 is: 28,167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.08 : 78,089.28 = 18,783.19 : x
  2. Step 2: Convert to fraction form
    52,072.08/78,089.28 = 18,783.19/x
  3. Step 3: Cross multiply
    52,072.08x = 78,089.28 × 18,783.19
  4. Step 4: Simplify right side
    52,072.08x = 1,466,765,783.20
  5. Step 5: Solve for x
    x = 1,466,765,783.20/52,072.08
  6. Step 6: Final answer
    x = 28,167.99

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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.