Home / 52,359.28-78,537.25-16,820.45

Finding the Fourth Proportional to 52,359.28, 78,537.25 and 16,820.45

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Solution

The fourth proportional to 52,359.28, 78,537.25 and 16,820.45 is: 25,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,359.28 : 78,537.25 = 16,820.45 : x
  2. Step 2: Convert to fraction form
    52,359.28/78,537.25 = 16,820.45/x
  3. Step 3: Cross multiply
    52,359.28x = 78,537.25 × 16,820.45
  4. Step 4: Simplify right side
    52,359.28x = 1,321,032,041.05
  5. Step 5: Solve for x
    x = 1,321,032,041.05/52,359.28
  6. Step 6: Final answer
    x = 25,230.14

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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.