Home / 30,145.54-45,224.98-10,156.02

Finding the Fourth Proportional to 30,145.54, 45,224.98 and 10,156.02

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Solution

The fourth proportional to 30,145.54, 45,224.98 and 10,156.02 is: 15,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.54 : 45,224.98 = 10,156.02 : x
  2. Step 2: Convert to fraction form
    30,145.54/45,224.98 = 10,156.02/x
  3. Step 3: Cross multiply
    30,145.54x = 45,224.98 × 10,156.02
  4. Step 4: Simplify right side
    30,145.54x = 459,305,801.38
  5. Step 5: Solve for x
    x = 459,305,801.38/30,145.54
  6. Step 6: Final answer
    x = 15,236.28

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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.