Home / 52,242.54-78,379-18,962.08

Finding the Fourth Proportional to 52,242.54, 78,379 and 18,962.08

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Solution

The fourth proportional to 52,242.54, 78,379 and 18,962.08 is: 28,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,242.54 : 78,379 = 18,962.08 : x
  2. Step 2: Convert to fraction form
    52,242.54/78,379 = 18,962.08/x
  3. Step 3: Cross multiply
    52,242.54x = 78,379 × 18,962.08
  4. Step 4: Simplify right side
    52,242.54x = 1,486,228,868.32
  5. Step 5: Solve for x
    x = 1,486,228,868.32/52,242.54
  6. Step 6: Final answer
    x = 28,448.63

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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.