Home / 36,143.10-49,877.40-20,230.62

Finding the Fourth Proportional to 36,143.10, 49,877.40 and 20,230.62

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Solution

The fourth proportional to 36,143.10, 49,877.40 and 20,230.62 is: 27,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.10 : 49,877.40 = 20,230.62 : x
  2. Step 2: Convert to fraction form
    36,143.10/49,877.40 = 20,230.62/x
  3. Step 3: Cross multiply
    36,143.10x = 49,877.40 × 20,230.62
  4. Step 4: Simplify right side
    36,143.10x = 1,009,050,725.99
  5. Step 5: Solve for x
    x = 1,009,050,725.99/36,143.10
  6. Step 6: Final answer
    x = 27,918.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.